diff --git a/src/app/App.tsx b/src/app/App.tsx
index 6f0ad5a9..c6a13476 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -148,7 +148,6 @@ const Docs: React.VFC = () => {
             role="documentation"
             width="100%"
             height="100%"
-            frameBorder="none"
         />
     );
 };
diff --git a/src/app/app.scss b/src/app/app.scss
index 43802a82..1d1a3735 100644
--- a/src/app/app.scss
+++ b/src/app/app.scss
@@ -47,6 +47,10 @@
             position: absolute;
         }
     }
+
+    & iframe {
+        border: none;
+    }
 }
 
 .pb-app-body {