diff --git a/src/components/CodeEditor/CodeEditor.js b/src/components/CodeEditor/CodeEditor.js
index 83b05145..6a99c715 100644
--- a/src/components/CodeEditor/CodeEditor.js
+++ b/src/components/CodeEditor/CodeEditor.js
@@ -131,6 +131,9 @@ class CodeEditor extends Component {
                   '& pre.prism-code[contenteditable]': {
                     maxHeight: '280px !important',
                     outline: 0,
+                    overflow : 'auto',
+                    marginRight: '0 !important',
+                    marginBottom: '0 !important',
                   },
                 }}
                 className="gatsby-highlight">