Merge pull request #401 from paulkaplan/stop-scrollbar-popping

Hide overflow-y on gui container

src/components/gui/gui.css

@@ -19,6 +19,12 @@
     */
     flex-direction: row;
     height: 100%;
+
+    /*
+        Stop scrollbar popping in and out from scratch-blocks border issue
+        https://github.com/LLK/scratch-gui/issues/318
+    */
+    overflow-y: hidden;
 }
 
 .editor-wrapper {