@pybricks/ide-docs/v2.19.0

"on: release" only triggers for manual releases, not releases created by another workflow.

Fixes https://github.com/pybricks/support/issues/1558

.github/workflows/release-to-pypi.yml

@@ -1,15 +0,0 @@
-name: Release to PyPI
-
-on:
-  release:
-    types: [published]
-
-jobs:
-  build_and_publish:
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@v3
-    - run: pipx run poetry build
-    - run: pipx run poetry publish
-      env:
-        POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}

.github/workflows/release.yml

@@ -0,0 +1,45 @@
+on:
+  push:
+    tags:
+    - 'v3.*'
+
+name: Create release on GitHub and PyPI
+
+permissions:
+  contents: write
+
+jobs:
+  create_release:
+    name: Create release on GitHub
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+          fetch-depth: 0
+      - name: Get tag
+        run: echo "GITHUB_TAG=${GITHUB_REF#*refs/tags/}" >> $GITHUB_ENV
+      - name: Create release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          tag: ${{ github.ref_name }}
+        run: |
+          if [[ "${{ contains(env.GITHUB_TAG, 'a') || contains(env.GITHUB_TAG, 'b') || contains(env.GITHUB_TAG, 'c') }}" == "true" ]]; then
+            PRERELEASE_FLAG="--prerelease"
+          else
+            PRERELEASE_FLAG=""
+          fi
+          gh release create "$tag" \
+              --repo="$GITHUB_REPOSITORY" \
+              --title="${tag#v}" \
+              -F CHANGELOG.md \
+              $PRERELEASE_FLAG
+  build_and_publish:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v3
+    - run: pipx run poetry build
+    - run: pipx run poetry publish
+      env:
+        POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}

CHANGELOG.md

@@ -4,6 +4,21 @@
 
 ## Unreleased
 
+## 3.5.0- 2024-04-11
+
+### Changed
+- Bump version to 3.5.0 without additional changes.
+
+## 3.5.0b2 - 2024-04-05
+
+### Added
+
+- Added `pybricks.pupdevices.Remote.disconnect` method.
+- Added blocks for `up`, `ready` and `stationary` for IMUs.
+- Added `last` and `chr` parameters to `read_input_byte` and add blocks.
+- Added block for the `in` operation.
+- Add double ternary block.
+
 ## 3.5.0b1 - 2024-03-11
 
 ### Added

doc/main/blockimg/pybricks_blockImuStatus_EssentialHub_ready.svg

@@ -0,0 +1,989 @@
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+}
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+}
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+}
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+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="r~lFK0:,#3icD*2-%U.;" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 282.2890625 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -282.2890625 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g data-id="~V@;`~CVMs.(4a#em|bS" transform="translate(56, 4)" style="display: block;"><path class="blocklyPath" stroke="#4585a1" fill="#4e96b6" d=" m 16,0  h 114.25 a 16 16 0 0,1 16,16  v 0 a 16 16 0 0,1 -16,16  V 32  h -114.25 a 16 16 0 0,1 -16,-16  v 0 a 16 16 0 0,1 16,-16 z&#10;"/><g class="blocklyEditableText" transform="translate(12,7)" style="cursor: default;"><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="0" y="9">essential hub</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(110.25,3)"/></g></g><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(210.25,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">is</text></g><g class="blocklyEditableText" transform="translate(231.59375,5.4)" style="cursor: default;"><rect rx="4" ry="4" x="0" y="0" height="29.2" width="78.6953125" class="blocklyFieldRect blocklyDropdownRect" stroke="#4585a1" fill="transparent"/><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="8" y="14.6">ready</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(58.6953125,8.6)"/></g></g></g></svg>

doc/main/blockimg/pybricks_blockImuStatus_EssentialHub_stationary.svg

@@ -0,0 +1,989 @@
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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 358.0625 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="358.0625" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
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+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
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+}
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+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
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+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
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+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern035900976629106074)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockImuStatus_InventorHub_ready.svg

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+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 318.921875 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="318.921875" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern035900976629106074)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
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+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
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+  stroke-width: 1;
+  fill: #ddd;
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+}
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+}
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+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
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+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
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+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
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+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
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+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
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+  fill: #888;
+  cursor: default;
+}
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+  fill: #666;
+}
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+}
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+  cursor: default;
+}
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+}
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+
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+  background-color: rgba(255, 255, 255, .2);
+}
+
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+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
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+  background-position: -16px -1px;
+}
+
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+  background-position: -16px -17px;
+}
+
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+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
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+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
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+}
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+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
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+}
+
+
+  .controlsIconStyleLightTheme {
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+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
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+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
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doc/main/blockimg/pybricks_blockImuStatus_InventorHub_stationary.svg

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+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="FLWqkmD:}dyHc5i(?^d)" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 310.6953125 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -310.6953125 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g data-id="[qsnI,xy2PsPY:zd%lJL" transform="translate(56, 4)" style="display: block;"><path class="blocklyPath" stroke="#4585a1" fill="#4e96b6" d=" m 16,0  h 108.8828125 a 16 16 0 0,1 16,16  v 0 a 16 16 0 0,1 -16,16  V 32  h -108.8828125 a 16 16 0 0,1 -16,-16  v 0 a 16 16 0 0,1 16,-16 z&#10;"/><g class="blocklyEditableText" transform="translate(12,7)" style="cursor: default;"><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="0" y="9">inventor hub</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllciAxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMi43MSIgaGVpZ2h0PSI4Ljc5IiB2aWV3Qm94PSIwIDAgMTIuNzEgOC43OSI+PHRpdGxlPmRyb3Bkb3duLWFycm93PC90aXRsZT48ZyBvcGFjaXR5PSIwLjEiPjxwYXRoIGQ9Ik0xMi43MSwyLjQ0QTIuNDEsMi40MSwwLDAsMSwxMiw0LjE2TDguMDgsOC4wOGEyLjQ1LDIuNDUsMCwwLDEtMy40NSwwTDAuNzIsNC4xNkEyLjQyLDIuNDIsMCwwLDEsMCwyLjQ0LDIuNDgsMi40OCwwLDAsMSwuNzEuNzFDMSwwLjQ3LDEuNDMsMCw2LjM2LDBTMTEuNzUsMC40NiwxMiwuNzFBMi40NCwyLjQ0LDAsMCwxLDEyLjcxLDIuNDRaIiBmaWxsPSIjMjMxZjIwIi8+PC9nPjxwYXRoIGQ9Ik02LjM2LDcuNzlhMS40MywxLjQzLDAsMCwxLTEtLjQyTDEuNDIsMy40NWExLjQ0LDEuNDQsMCwwLDEsMC0yYzAuNTYtLjU2LDkuMzEtMC41Niw5Ljg3LDBhMS40NCwxLjQ0LDAsMCwxLDAsMkw3LjM3LDcuMzdBMS40MywxLjQzLDAsMCwxLDYuMzYsNy43OVoiIGZpbGw9IiNmZmYiLz48L3N2Zz4=" transform="translate(104.8828125,3)"/></g></g><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(204.8828125,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">is</text></g><g class="blocklyEditableText" transform="translate(226.2265625,5.4)" style="cursor: default;"><rect rx="4" ry="4" x="0" y="0" height="29.2" width="112.46875" class="blocklyFieldRect blocklyDropdownRect" stroke="#4585a1" fill="transparent"/><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="8" y="14.6">stationary</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(92.46875,8.6)"/></g></g></g></svg>

doc/main/blockimg/pybricks_blockImuStatus_PrimeHub_ready.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 299.375 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="299.375" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern035900976629106074)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
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+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockImuStatus_PrimeHub_stationary.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 333.1484375 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="333.1484375" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern035900976629106074)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockImuStatus_TechnicHub_ready.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 311.8203125 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="311.8203125" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern035900976629106074)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
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+}
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+}
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+  stroke-width: 3px;
+}
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+  fill: #000;
+  display: none;
+}
+
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+  display: block;
+}
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+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
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+  stroke: #fc3;
+}
+
+
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+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
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+  stroke-width: 1;
+}
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+  stroke-width: 2;
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+}
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+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
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+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
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+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
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+}
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+  outline: 1px solid #333;
+  position: relative;
+}
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+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
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+  overflow-y: scroll;
+}
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+  cursor: default;
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+}
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+}
+
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+  margin: 1px 5px 1px 0;
+}
+
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+  margin: 1px 0 1px 5px;
+}
+
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+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
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+  background-position: -16px -17px;
+}
+
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+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
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+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
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+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
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+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
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+}
+
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+}
+
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+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
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+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
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+  .controlsIconStyleDarkTheme:active {
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doc/main/blockimg/pybricks_blockImuStatus_TechnicHub_stationary.svg

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+}
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+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern035900976629106074)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
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+}
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+}
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+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
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+}
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+}
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+}
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+  .controlsIconStyleLightTheme:hover {
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+  }
+  
+
+  .controlsIconStyleDarkTheme {
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+    filter: invert(1);
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+  .controlsIconStyleDarkTheme:hover {
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+  .controlsIconStyleDarkTheme:active {
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doc/main/blockimg/pybricks_blockImuUp_EssentialHub.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 374.921875 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="374.921875" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
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+}
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+}
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+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
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+}
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+}
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+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
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+}
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+color: #575E75;
+}
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+}
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+}
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+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
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+}
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+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
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+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
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+}
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+}
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+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
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+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
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+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
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+  cursor: se-resize;
+  fill: #aaa;
+}
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+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
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+  stroke-width: 1;
+}
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+  stroke: #fc3;
+  stroke-width: 4px;
+}
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+  stroke-width: 1;
+}
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+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
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+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
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+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
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+}
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+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
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+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
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+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
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+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockImuUp_InventorHub.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 369.5546875 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="369.5546875" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
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+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
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+}
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+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
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+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern02332991936176998)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
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+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
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+}
+
+
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+  opacity: .2;
+}
+
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+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
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+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockImuUp_MoveHub.svg

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+}
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+}
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+}
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+}
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+}
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+}
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+}
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+}
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+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
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+}
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+  position: absolute;
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+}
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+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
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+}
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+}
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+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
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+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
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+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
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+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
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+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
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+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
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+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
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+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
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+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
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+}
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+}
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+  stroke-width: 1;
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+}
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+}
+
+.blocklyDragging {
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+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
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+.blocklyDragging.blocklyDraggingDelete {
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+}
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+.blocklyDragging&gt;.blocklyPath,
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+  stroke-opacity: .8;
+}
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+}
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+  stroke-opacity: .5;
+}
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+.blocklyDisabled&gt;.blocklyPathLight,
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+}
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+  z-index: 20;
+}
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+}
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+  cursor: inherit;
+}
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+}
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+.blocklyFieldDropdown:not(.blocklyHidden) {
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+}
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+}
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+}
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+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
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+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
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+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
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+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
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+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
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+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
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+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
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+}
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+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
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+  fill: #aaa;
+}
+
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+  background: #faa;
+}
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+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
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+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
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+  pointer-events: none;
+}
+
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+  border-radius: 4px;
+  max-height: 100%;
+}
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+  border-radius: 2px;
+  padding: 0 !important;
+}
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+  /* 28px on the left for icon or checkbox. */
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+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id=":iCcTgH_WJ?/lU(AAvV," class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 306.234375 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -306.234375 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g data-id="HAlO(MC%8V.m^yb~s)LH" transform="translate(56, 4)" style="display: block;"><path class="blocklyPath" stroke="#4585a1" fill="#4e96b6" d=" m 16,0  h 87.5625 a 16 16 0 0,1 16,16  v 0 a 16 16 0 0,1 -16,16  V 32  h -87.5625 a 16 16 0 0,1 -16,-16  v 0 a 16 16 0 0,1 16,-16 z&#10;"/><g class="blocklyEditableText" transform="translate(12,7)" style="cursor: default;"><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="0" y="9">move hub</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(83.5625,3)"/></g></g><g data-id="{nQIuRS5thYhbu7|l5b1" transform="translate(183.5625, 4)" style="display: block;"><path class="blocklyPath" stroke="#4585a1" fill="#4e96b6" d=" m 16,0  h 73.3359375 a 16 16 0 0,1 16,16  v 0 a 16 16 0 0,1 -16,16  V 32  h -73.3359375 a 16 16 0 0,1 -16,-16  v 0 a 16 16 0 0,1 16,-16 z&#10;"/><g class="blocklyEditableText" transform="translate(12,7)" style="cursor: default;"><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="0" y="9">top side</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(69.3359375,3)"/></g></g><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(296.8984375,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">is up</text></g></g></g></svg>

doc/main/blockimg/pybricks_blockImuUp_PrimeHub.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 350.0078125 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="350.0078125" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern02332991936176998)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
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+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
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+  opacity: .2;
+}
+
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+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockImuUp_TechnicHub.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
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+}
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+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
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+}
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+}
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+}
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+}
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+}
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+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
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+}
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+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
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+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
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+}
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+}
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+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
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+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
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+  padding: 4px;
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+}
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+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
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+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
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+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
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+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
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+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
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+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
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+  fill: #aaa;
+}
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+}
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+}
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+}
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+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
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+}
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+}
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+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
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+}
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+}
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+.blocklyDisabled&gt;.blocklyPathLight,
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+}
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+}
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+}
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+}
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+}
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+  padding: 0;
+}
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+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
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+}
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+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
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+  fill: #fff;
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+  stroke-width: 1;
+}
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+  fill-opacity: .8;
+}
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+  z-index: 20;
+}
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+  z-index: 30;
+}
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+  position: absolute;
+  outline: none;
+}
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+}
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+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
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+}
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+}
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+}
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+  width: 0;
+  height: 0;
+}
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+  pointer-events: none;
+}
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+  border-radius: 4px;
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+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="@eBx[Cl=W3$6VwqtyI`l" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 320.453125 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -320.453125 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g data-id="tiiIIL^^h!(![dC@e05)" transform="translate(56, 4)" style="display: block;"><path class="blocklyPath" stroke="#4585a1" fill="#4e96b6" d=" m 16,0  h 101.78125 a 16 16 0 0,1 16,16  v 0 a 16 16 0 0,1 -16,16  V 32  h -101.78125 a 16 16 0 0,1 -16,-16  v 0 a 16 16 0 0,1 16,-16 z&#10;"/><g class="blocklyEditableText" transform="translate(12,7)" style="cursor: default;"><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="0" y="9">technic hub</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(97.78125,3)"/></g></g><g data-id="ukoph)TC4:ttUd#O(UNI" transform="translate(197.78125, 4)" style="display: block;"><path class="blocklyPath" stroke="#4585a1" fill="#4e96b6" d=" m 16,0  h 73.3359375 a 16 16 0 0,1 16,16  v 0 a 16 16 0 0,1 -16,16  V 32  h -73.3359375 a 16 16 0 0,1 -16,-16  v 0 a 16 16 0 0,1 16,-16 z&#10;"/><g class="blocklyEditableText" transform="translate(12,7)" style="cursor: default;"><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="0" y="9">top side</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(69.3359375,3)"/></g></g><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(311.1171875,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">is up</text></g></g></g></svg>

doc/main/blockimg/pybricks_blockIsIn.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 236.6875 47.19999999999982" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="236.6875" height="47.19999999999982" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern02332991936176998)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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doc/main/blockimg/pybricks_blockLogicTernaryDouble.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 411 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="411" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern5514378754411586)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
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+  left: 0;
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+  width: 16px;
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+  background-color: inherit;
+  border-color: inherit;
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+  margin: 4px;
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+  cursor: pointer;
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+}
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+}
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+}
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+}
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+}
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+  padding-left: 5px;
+  padding-right: 28px;
+}
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+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
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+  outline: none;
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+  color: #000;
+  cursor: pointer;
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+  white-space: nowrap;
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+}
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+}
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+}
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+}
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+  display: inline-block;
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+  width: 20px;
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+}
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+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="R(7.qrvhh*8xF=Yuz??%" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 173.3671875 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -173.3671875 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(56,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">read</text></g><g class="blocklyEditableText" transform="translate(97.796875,5.4)" style="cursor: default;"><rect rx="4" ry="4" x="0" y="0" height="29.2" width="103.5703125" class="blocklyFieldRect blocklyDropdownRect" stroke="#4585a1" fill="transparent"/><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="8" y="14.6">first byte</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(83.5703125,8.6)"/></g></g></g></svg>

doc/main/blockimg/pybricks_blockReadInput_read_input_first_char.svg

@@ -0,0 +1,989 @@
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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 209.1640625 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="209.1640625" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern5514378754411586)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="j05nn=c{QW;U!At%Az^f" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 167.1640625 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -167.1640625 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(56,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">read</text></g><g class="blocklyEditableText" transform="translate(97.796875,5.4)" style="cursor: default;"><rect rx="4" ry="4" x="0" y="0" height="29.2" width="97.3671875" class="blocklyFieldRect blocklyDropdownRect" stroke="#4585a1" fill="transparent"/><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="8" y="14.6">first key</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(77.3671875,8.6)"/></g></g></g></svg>

doc/main/blockimg/pybricks_blockReadInput_read_input_last_byte.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 212.7109375 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="212.7109375" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;rect:not(.blocklyDropdownRect),
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;rect:not(.blocklyDropdownRect) {
+fill: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern5514378754411586)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
+.blocklyAngleCircle {
+  stroke: #444;
+  stroke-width: 1;
+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
+  stroke: #444;
+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="m{M;5I@y(2TJ[dC0(GiK" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 170.7109375 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -170.7109375 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAyNSAyNSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8ZyB0cmFuc2Zvcm09InRyYW5zbGF0ZSgwLCAwKSI+CiAgICA8cGF0aCBkPSJtMS43MTYxIDQuNjgyOCA3LjUwOTYgNy4xOTU3LTcuNTA5NiA3LjE5NTciIGZpbGw9Im5vbmUiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIiBzdHJva2Utd2lkdGg9IjMiLz4KPHBhdGggZD0ibTEzLjYwMiAxOC44MzRoOS4yNjM1IiBmaWxsPSJub25lIiBzdHJva2U9IiNmZmYiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLXdpZHRoPSIzIi8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(56,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">read</text></g><g class="blocklyEditableText" transform="translate(97.796875,5.4)" style="cursor: default;"><rect rx="4" ry="4" x="0" y="0" height="29.2" width="100.9140625" class="blocklyFieldRect blocklyDropdownRect" stroke="#4585a1" fill="transparent"/><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="8" y="14.6">last byte</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllciAxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMi43MSIgaGVpZ2h0PSI4Ljc5IiB2aWV3Qm94PSIwIDAgMTIuNzEgOC43OSI+PHRpdGxlPmRyb3Bkb3duLWFycm93PC90aXRsZT48ZyBvcGFjaXR5PSIwLjEiPjxwYXRoIGQ9Ik0xMi43MSwyLjQ0QTIuNDEsMi40MSwwLDAsMSwxMiw0LjE2TDguMDgsOC4wOGEyLjQ1LDIuNDUsMCwwLDEtMy40NSwwTDAuNzIsNC4xNkEyLjQyLDIuNDIsMCwwLDEsMCwyLjQ0LDIuNDgsMi40OCwwLDAsMSwuNzEuNzFDMSwwLjQ3LDEuNDMsMCw2LjM2LDBTMTEuNzUsMC40NiwxMiwuNzFBMi40NCwyLjQ0LDAsMCwxLDEyLjcxLDIuNDRaIiBmaWxsPSIjMjMxZjIwIi8+PC9nPjxwYXRoIGQ9Ik02LjM2LDcuNzlhMS40MywxLjQzLDAsMCwxLTEtLjQyTDEuNDIsMy40NWExLjQ0LDEuNDQsMCwwLDEsMC0yYzAuNTYtLjU2LDkuMzEtMC41Niw5Ljg3LDBhMS40NCwxLjQ0LDAsMCwxLDAsMkw3LjM3LDcuMzdBMS40MywxLjQzLDAsMCwxLDYuMzYsNy43OVoiIGZpbGw9IiNmZmYiLz48L3N2Zz4=" transform="translate(80.9140625,8.6)"/></g></g></g></svg>

doc/main/blockimg/pybricks_blockReadInput_read_input_last_char.svg

@@ -0,0 +1,989 @@
+<!-- Copyright (c) 2024 The Pybricks Authors. All rights reserved. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 206.5078125 42" class="blocklySvg pybricks_renderer-renderer pybricks-zelos-light-theme" width="206.5078125" height="42" style="background-color: transparent"><style xmlns="http://www.w3.org/1999/xhtml">.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText,
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+font: bold 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
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+}
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+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyNonEditableText&gt;g&gt;text,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyEditableText&gt;g&gt;text {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyFlyoutLabelText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyText.blocklyBubbleText {
+fill: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;rect,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDraggable:not(.blocklyDisabled)
+ .blocklyEditableText:not(.editing):hover&gt;.blocklyPath {
+stroke: #fff;
+stroke-width: 2;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHtmlInput {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+font-weight: bold;
+color: #575E75;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDropdownText {
+fill: #fff !important;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyWidgetDiv .goog-menuitem,
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem {
+font-family: "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme.blocklyDropDownDiv .goog-menuitem-content {
+color: #fff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyHighlightedConnectionPath {
+stroke: #ffffff;
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyDisabled &gt; .blocklyOutlinePath {
+fill: url(#blocklyDisabledPattern5514378754411586)
+}
+.pybricks_renderer-renderer.pybricks-zelos-light-theme .blocklyInsertionMarker&gt;.blocklyPath {
+fill-opacity: 0.2;
+stroke: none;
+}
+
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected&gt;.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyDragging&gt;.blocklyPath,
+.blocklyDragging&gt;.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled&gt;.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled&gt;.blocklyPathLight,
+.blocklyDisabled&gt;.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker&gt;.blocklyPath,
+.blocklyInsertionMarker&gt;.blocklyPathLight,
+.blocklyInsertionMarker&gt;.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText&gt;text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(https://blockly-demo.appspot.com/static/media/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+
+.blocklyZoom&gt;image, .blocklyZoom&gt;svg&gt;image {
+  opacity: .4;
+}
+
+.blocklyZoom&gt;image:hover, .blocklyZoom&gt;svg&gt;image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom&gt;image:active, .blocklyZoom&gt;svg&gt;image:active {
+  opacity: .8;
+}
+
+
+.blocklyCommentForeignObject {
+  position: relative;
+  z-index: 0;
+}
+
+.blocklyCommentRect {
+  fill: #E7DE8E;
+  stroke: #bcA903;
+  stroke-width: 1px;
+}
+
+.blocklyCommentTarget {
+  fill: transparent;
+  stroke: #bcA903;
+}
+
+.blocklyCommentTargetFocused {
+  fill: none;
+}
+
+.blocklyCommentHandleTarget {
+  fill: none;
+}
+
+.blocklyCommentHandleTargetFocused {
+  fill: transparent;
+}
+
+.blocklyFocused&gt;.blocklyCommentRect {
+  fill: #B9B272;
+  stroke: #B9B272;
+}
+
+.blocklySelected&gt;.blocklyCommentTarget {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCommentDeleteIcon {
+  cursor: pointer;
+  fill: #000;
+  display: none;
+}
+
+.blocklySelected &gt; .blocklyCommentDeleteIcon {
+  display: block;
+}
+
+.blocklyDeleteIconShape {
+  fill: #000;
+  stroke: #000;
+  stroke-width: 1px;
+}
+
+.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {
+  stroke: #fc3;
+}
+
+
+.blocklyCommentTextarea {
+  background-color: #fef49c;
+  border: 0;
+  display: block;
+  margin: 0;
+  outline: 0;
+  padding: 3px;
+  resize: none;
+  text-overflow: hidden;
+}
+
+
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+  fill: #ddd;
+  fill-opacity: 0.8;
+}
+
+.blocklyAngleMarks {
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+  stroke-width: 1;
+}
+
+.blocklyAngleGauge {
+  fill: #f88;
+  fill-opacity: 0.8;
+  pointer-events: none;
+}
+
+.blocklyAngleLine {
+  stroke: #f00;
+  stroke-width: 2;
+  stroke-linecap: round;
+  pointer-events: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.blocklyHtmlTextAreaInput {
+  font-family: monospace;
+  resize: none;
+  overflow: hidden;
+  height: 100%;
+  text-align: left;
+}
+
+.blocklyHtmlTextAreaInputOverflowedY {
+  overflow-y: scroll;
+}
+
+
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+
+
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(https://blockly-demo.appspot.com/static/media/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected&gt;.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected&gt;.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+
+
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+
+
+.blocklyToolboxDelete {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("https://blockly-demo.appspot.com/static/media/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+
+
+.blocklyColourTable {
+  border-collapse: collapse;
+  display: block;
+  outline: none;
+  padding: 1px;
+}
+
+.blocklyColourTable&gt;tr&gt;td {
+  border: 0.5px solid #888;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block;
+  height: 20px;
+  padding: 0;
+  width: 20px;
+}
+
+.blocklyColourTable&gt;tr&gt;td.blocklyColourHighlighted {
+  border-color: #eee;
+  box-shadow: 2px 2px 7px 2px rgba(0, 0, 0, 0.3);
+  position: relative;
+}
+
+.blocklyColourSelected, .blocklyColourSelected:hover {
+  border-color: #eee !important;
+  outline: 1px solid #333;
+  position: relative;
+}
+
+
+.fieldColourSliderContainer {
+  padding: 4px;
+}
+.fieldColourSliderContainer hr {
+  border: none;
+  border-top: 1px solid #bbb;
+}
+.fieldColourSliderLabel {
+  display: flex;
+  justify-content: space-between;
+  font: 12pt "Helvetica Neue", "Segoe UI", Helvetica, sans-serif;
+}
+.fieldColourEyedropper {
+  appearance: none;
+  position: relative;
+  border: none;
+  border-radius: 4px;
+  background: transparent;
+  font: inherit;
+  color: inherit;
+  cursor: pointer;
+  width: 100%;
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.fieldColourEyedropper:hover {
+  background: rgba(0,0,0,0.1)
+}
+.fieldColourEyedropper input {
+  opacity: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+}
+.fieldColourEyedropper::before {
+  content: "Eyedropper";
+}
+.fieldColourEyedropper::after {
+  content: "";
+  margin-left: 8px;
+  width: 24px;
+  height: 24px;
+  background: currentColor;
+  pointer-events: none;
+  -webkit-mask-image: var(--customize-dial-symbol);
+  -webkit-mask-repeat: no-repeat;
+  -webkit-mask-position: center;
+  mask-image: var(--customize-dial-symbol);
+  mask-repeat: no-repeat;
+  mask-position: center;
+  --customize-dial-symbol: url('data:image/svg+xml,    &lt;svg xmlns="http://www.w3.org/2000/svg"          width="24px" height="24px"          viewBox="0 0 24 24"&gt;       &lt;path stroke="black" strokewidth="1.414" fill="none"             d="m 13 8 L 6 15 Q 3 18 2 21 Q 0 23 .5 23.5 Q 1 24 3 22                 Q 6 21 9 18 L 16 11"/&gt;       &lt;path fill="black"             d="m 12 7 Q 11 6 12 5 Q 13 4 14 5 Q 15 6 16 5 Q 20 -1 22.5 1.5                 Q 25 4 19 8 Q 18 9 19 10 Q 20 11 19 12 Q 18 13 17 12"/&gt;     &lt;/svg&gt;');
+}
+.fieldColourSlider {
+  -webkit-appearance: none;
+  width: 150px;
+  height: 24px;
+  margin: 4px 8px 24px 8px;
+  padding: 0;
+}
+.fieldColourSlider:last-child {
+  margin-bottom: 4px;
+}
+.fieldColourSlider:focus {
+  outline: none;
+}
+/* Webkit */
+.fieldColourSlider::-webkit-slider-runnable-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background: #fff;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+  margin-top: -4px;
+}
+/* Firefox */
+.fieldColourSlider::-moz-range-track {
+  background: var(--slider-track-background);
+  border-radius: 8px;
+  height: 16px;
+}
+.fieldColourSlider::-moz-range-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+.fieldColourSlider::-moz-focus-outer {
+  /* override the focus border style */
+  border: 0;
+}
+/* IE */
+.fieldColourSlider::-ms-track {
+  background: var(--slider-track-background);
+  border-radius: 12px;
+  width: 100%;
+  height: 24px;
+  /* remove default tick marks */
+  color: transparent;
+}
+.fieldColourSlider::-ms-fill-lower  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-fill-upper  {
+  background: transparent;
+}
+.fieldColourSlider::-ms-thumb {
+  background: #fff;
+  border: none;
+  border-radius: 50%;
+  box-shadow: 0 0 0 4px rgba(0,0,0,.15);
+  cursor: pointer;
+  width: 24px;
+  height: 24px;
+}
+
+
+.blocklyMultiselect&gt;image, .blocklyMultiselect&gt;svg&gt;image {
+  opacity: .2;
+}
+
+.blocklyMultiselect&gt;image:hover, .blocklyMultiselect&gt;svg&gt;image:hover {
+  opacity: .4;
+}
+
+.blocklyMultiselect&gt;image:active, .blocklyMultiselect&gt;svg&gt;image:active {
+  opacity: .6;
+}
+
+
+  .controlsIconStyleLightTheme {
+    opacity: 0.2;
+  }
+  .controlsIconStyleLightTheme:hover {
+    opacity: 0.4;
+  }
+  .controlsIconStyleLightTheme:active {
+    opacity: 0.6;
+  }
+  
+
+  .controlsIconStyleDarkTheme {
+    opacity: 0.4;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:hover {
+    opacity: 0.6;
+    filter: invert(1);
+  }
+  .controlsIconStyleDarkTheme:active {
+    opacity: 0.8;
+    filter: invert(1);
+  }
+  
+</style><g transform="translate(1, 1)"><g data-id="-IGV,V:Hjrkh#3:8H|d:" class="blocklyDraggable"><path class="blocklyPath" stroke="#4585a1" fill="#5cb1d6" d=" m 20,0  h 164.5078125 a 20 20 0 0,1 20,20  v 0 a 20 20 0 0,1 -20,20  V 40  h -164.5078125 a 20 20 0 0,1 -20,-20  v 0 a 20 20 0 0,1 20,-20 z&#10;"/><g transform="translate(12,7)"><image height="25px" width="25px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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"/></g><g transform="translate(45,4.5)"><image height="30px" width="3px" alt="" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCAzIDMwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxnIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAsIDApIj4KICAgIDxwYXRoIGQ9Im0yLjUgMC41djI5IiBmaWxsPSJub25lIiBzdHJva2U9IiMwMDAiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLW9wYWNpdHk9Ii4yNjI1Ii8+CiAgPC9nPgo8L3N2Zz4="/></g><g transform="translate(56,11)"><text class="blocklyText" dominant-baseline="central" x="0" y="9">read</text></g><g class="blocklyEditableText" transform="translate(97.796875,5.4)" style="cursor: default;"><rect rx="4" ry="4" x="0" y="0" height="29.2" width="94.7109375" class="blocklyFieldRect blocklyDropdownRect" stroke="#4585a1" fill="transparent"/><text class="blocklyText blocklyDropdownText" dominant-baseline="central" text-anchor="start" x="8" y="14.6">last key</text><image style="display: none;"/><image height="12px" width="12px" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="data:image/svg+xml;base64,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" transform="translate(74.7109375,8.6)"/></g></g></g></svg>

doc/main/blocks/index.rst

@@ -56,6 +56,10 @@ Logic
 
 .. blockimg:: pybricks_blockLogicTernary
 
+.. blockimg:: pybricks_blockLogicTernaryDouble
+
+.. blockimg:: pybricks_blockIsIn
+
 Flow
 --------------------------
 

doc/main/hubs/essentialhub.rst

@@ -43,10 +43,16 @@ Essential Hub
 
     .. rubric:: Using the IMU
 
+    .. blockimg:: pybricks_blockImuStatus_EssentialHub_ready
+
     .. automethod:: pybricks.hubs::EssentialHub.imu.ready
 
+    .. blockimg:: pybricks_blockImuStatus_EssentialHub_stationary
+
     .. automethod:: pybricks.hubs::EssentialHub.imu.stationary
 
+    .. blockimg:: pybricks_blockImuUp_EssentialHub
+
     .. automethod:: pybricks.hubs::EssentialHub.imu.up
 
     .. blockimg:: pybricks_blockTilt_EssentialHub_imu.tilt.pitch

doc/main/hubs/movehub.rst

@@ -32,6 +32,8 @@ Move Hub
 
     .. rubric:: Using the IMU
 
+    .. blockimg:: pybricks_blockImuUp_MoveHub
+
     .. automethod:: pybricks.hubs::MoveHub.imu.up
 
     .. blockimg:: pybricks_blockTilt_MoveHub_imu.tilt.pitch

doc/main/hubs/primehub.rst

@@ -90,10 +90,16 @@ Prime Hub / Inventor Hub
 
     .. rubric:: Using the IMU
 
+    .. blockimg:: pybricks_blockImuStatus_PrimeHub_ready
+
     .. automethod:: pybricks.hubs::PrimeHub.imu.ready
 
+    .. blockimg:: pybricks_blockImuStatus_PrimeHub_stationary
+
     .. automethod:: pybricks.hubs::PrimeHub.imu.stationary
 
+    .. blockimg:: pybricks_blockImuUp_PrimeHub
+
     .. automethod:: pybricks.hubs::PrimeHub.imu.up
 
     .. blockimg:: pybricks_blockTilt_PrimeHub_imu.tilt.pitch

doc/main/hubs/technichub.rst

@@ -30,10 +30,16 @@ Technic Hub
 
     .. rubric:: Using the IMU
 
+    .. blockimg:: pybricks_blockImuStatus_TechnicHub_ready
+
     .. automethod:: pybricks.hubs::TechnicHub.imu.ready
 
+    .. blockimg:: pybricks_blockImuStatus_TechnicHub_stationary
+
     .. automethod:: pybricks.hubs::TechnicHub.imu.stationary
 
+    .. blockimg:: pybricks_blockImuUp_TechnicHub
+
     .. automethod:: pybricks.hubs::TechnicHub.imu.up
 
     .. blockimg:: pybricks_blockTilt_TechnicHub_imu.tilt.pitch

doc/main/pupdevices/remote.rst

@@ -28,6 +28,8 @@ Remote Control
 
   .. automethod:: pybricks.pupdevices::Remote.buttons.pressed
 
+  .. automethod:: pybricks.pupdevices::Remote.disconnect
+
 Examples
 -------------------
 

doc/main/tools/index.rst

@@ -37,8 +37,24 @@ Timing tools
 Input tools
 -----------
 
+.. blockimg:: pybricks_blockReadInput_read_input_first_byte
+
+.. blockimg:: pybricks_blockReadInput_read_input_first_char
+    :stack:
+
+.. blockimg:: pybricks_blockReadInput_read_input_last_byte
+    :stack:
+
+.. blockimg:: pybricks_blockReadInput_read_input_last_char
+    :stack:
+
 .. autofunction:: pybricks.tools.read_input_byte
 
+.. versionchanged:: 3.3
+
+    Added ``last`` and ``chr`` options.
+
+
 .. pybricks-requirements:: light-matrix
 
 .. autofunction:: pybricks.tools.hub_menu

jedi/CHANGELOG.md

@@ -4,6 +4,11 @@
 
 ## Unreleased
 
+## 1.16.0 - 2024-04-05
+
+### Changed
+- Updated `pybricks` package to v3.5.0b2.
+
 ## 1.15.0 - 2024-03-21
 
 ### Changed

jedi/poetry.lock

@@ -175,19 +175,19 @@ files = [
 
 [[package]]
 name = "parso"
-version = "0.8.3"
+version = "0.8.4"
 description = "A Python Parser"
 category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "parso-0.8.3-py2.py3-none-any.whl", hash = "sha256:c001d4636cd3aecdaf33cbb40aebb59b094be2a74c556778ef5576c175e19e75"},
-    {file = "parso-0.8.3.tar.gz", hash = "sha256:8c07be290bb59f03588915921e29e8a50002acaf2cdc5fa0e0114f91709fafa0"},
+    {file = "parso-0.8.4-py2.py3-none-any.whl", hash = "sha256:a418670a20291dacd2dddc80c377c5c3791378ee1e8d12bffc35420643d43f18"},
+    {file = "parso-0.8.4.tar.gz", hash = "sha256:eb3a7b58240fb99099a345571deecc0f9540ea5f4dd2fe14c2a99d6b281ab92d"},
 ]
 
 [package.extras]
-qa = ["flake8 (==3.8.3)", "mypy (==0.782)"]
-testing = ["docopt", "pytest (<6.0.0)"]
+qa = ["flake8 (==5.0.4)", "mypy (==0.971)", "types-setuptools (==67.2.0.1)"]
+testing = ["docopt", "pytest"]
 
 [[package]]
 name = "pathspec"
@@ -235,7 +235,7 @@ testing = ["pytest", "pytest-benchmark"]
 
 [[package]]
 name = "pybricks"
-version = "v3.5.0b1"
+version = "3.5.0b2"
 description = "Documentation and user-API stubs for Pybricks MicroPython"
 category = "main"
 optional = false
@@ -321,4 +321,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = ">= 3.10, < 3.12"
-content-hash = "ed8e7ae0c6ccd2be4b216c32cb496645b37aa63539c2a4738ef6fd8122ec6e2d"
+content-hash = "a634c0231937213565b3dff33539075fd544a4261bf8f84e99b294f34ec7edd4"

jedi/pyproject.toml

@@ -1,13 +1,13 @@
 [tool.poetry]
 name = "pybricks_jedi"
-version = "1.15.0"
+version = "1.16.0"
 description = "Code completion for Pybricks."
 authors = ["The Pybricks Authors <team@pybricks.com>"]
 license = "MIT"
 
 [tool.poetry.dependencies]
 python = ">= 3.10, < 3.12"
-pybricks = "3.5.0b1"
+pybricks = "3.5.0b2"
 jedi = "0.18.1"
 typing-extensions = "4.2.0"
 docstring-parser = "0.14.1"

jedi/tests/test_get_signature.py

@@ -29,7 +29,11 @@ def _get_function_signature(module: str, function: str) -> SignatureHelp:
 
 
 FUNCTION_PARAMS = [
-    pytest.param("pybricks.tools", "read_input_byte", [([], "Optional[int]")]),
+    pytest.param(
+        "pybricks.tools",
+        "read_input_byte",
+        [(["last: bool=False", "chr: bool=False"], "Optional[int | str]")],
+    ),
     pytest.param("pybricks.tools", "wait", [(["time: Number"], "MaybeAwaitable")]),
     pytest.param(
         "pybricks.tools",

npm/ide-docs/CHANGELOG.md

@@ -2,6 +2,16 @@
 
 <!-- refer to https://keepachangelog.com/en/1.0.0/ for guidance -->
 
+## 2.19.0 - 2024-04-11
+
+### Changed
+- Updated docs to v3.5.0.
+
+## 2.18.0 - 2024-04-05
+
+### Changed
+- Updated docs to v3.5.0b2.
+
 ## 2.17.0 - 2024-03-21
 
 ### Changed

npm/ide-docs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pybricks/ide-docs",
-  "version": "2.17.0",
+  "version": "2.19.0",
   "description": "Special build of Pybricks API docs for embedding in an IDE.",
   "repository": {
     "type": "git",

npm/jedi/CHANGELOG.md

@@ -4,6 +4,11 @@
 
 ## Unreleased
 
+## 1.16.0 - 2024-04-05
+
+### Changed
+- Updated `pybricks_jedi` Python package to v1.16.0.
+
 ## 1.15.0 - 2024-03-21
 
 ### Changed

npm/jedi/build.py

@@ -12,7 +12,7 @@ BUILD_DIR = (pathlib.Path(__file__).parent / "build").resolve()
 
 package_json = {
     "name": "@pybricks/jedi",
-    "version": "1.15.0",
+    "version": "1.16.0",
     "description": "Binary distribution of pybricks-jedi Python package and dependencies for use with Pyodide.",
     "repository": {
         "type": "git",
@@ -38,7 +38,7 @@ subprocess.check_call(
         "pip",
         "download",
         "--only-binary=any",
-        "pybricks-jedi==1.15.0",
+        "pybricks-jedi==1.16.0",
     ],
     cwd=BUILD_DIR,
 )

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pybricks"
-version = "v3.5.0b1"
+version = "3.5.0"
 description = "Documentation and user-API stubs for Pybricks MicroPython"
 authors = ["The Pybricks Authors <team@pybricks.com>"]
 maintainers = ["Laurens Valk <laurens@pybricks.com>", "David Lechner <david@pybricks.com>" ]

src/pybricks/iodevices.py

@@ -299,7 +299,7 @@ class LWP3Device:
         """
 
     @overload
-    def name(self, name: str) -> None: ...
+    def name(self, name: str) -> MaybeAwaitable: ...
 
     @overload
     def name(self) -> str: ...
@@ -336,6 +336,12 @@ class LWP3Device:
             The raw binary message.
         """
 
+    def disconnect(self) -> MaybeAwaitable:
+        """disconnect()
+
+        Disconnects the remote LWP3Device from the hub.
+        """
+
 
 class XboxController:
     """Use the Microsoft® Xbox® controller as a sensor in your projects to

src/pybricks/pupdevices.py

@@ -143,6 +143,12 @@ class Remote:
                 this method returns the current name.
         """
 
+    def disconnect(self) -> MaybeAwaitable:
+        """disconnect()
+
+        Disconnects the remote from the hub.
+        """
+
 
 class TiltSensor:
     """LEGO® Powered Up Tilt Sensor."""

src/pybricks/tools.py

@@ -211,14 +211,23 @@ def cross(a: Matrix, b: Matrix) -> Matrix:
     """
 
 
-def read_input_byte() -> Optional[int]:
+def read_input_byte(last: bool = False, chr: bool = False) -> Optional[int | str]:
     """
-    read_input_byte() -> int | None
+    read_input_byte() -> int | str | None
 
-    Reads one byte from standard input without blocking.
+    Reads one byte from standard input without blocking and removes it from the
+    input buffer.
+
+    Arguments:
+        last (bool): Choose ``True`` to read the last (most recent) byte in the buffer and discard the rest.
+                     Choose ``False`` to read only the first (oldest) byte.
+        chr (bool): Choose ``True`` to convert the result to a one-character string.
 
     Returns:
-        The numeric value of the byte read or ``None`` if no data is available.
+        The byte that was read, as a numeric value (``0`` to ``255``) or
+        string (e.g. ``"B"``). Returns ``None`` if no data is available. If
+        ``chr=True``, it also return ``None`` if the byte that was read is not
+        printable as a character.
     """