diff --git a/src/styles/_react-codemirror.scss b/src/styles/_react-codemirror.scss
new file mode 100644
index 0000000..c054ca2
--- /dev/null
+++ b/src/styles/_react-codemirror.scss
@@ -0,0 +1,3 @@
+.react-codemirror2 {
+  max-width: 100%;
+}
diff --git a/src/styles/index.scss b/src/styles/index.scss
index b34a65c..51766f1 100644
--- a/src/styles/index.scss
+++ b/src/styles/index.scss
@@ -38,6 +38,7 @@ $toolbar-offset: 0;
 @import 'popup';
 @import 'map';
 @import 'react-collapse';
+@import 'react-codemirror';
 
 /**
  * Hacks for webdriverio isVisibleWithinViewport