diff --git a/lib/codemirror.css b/lib/codemirror.css
index 8f4f22f5d6e026ec72fb536efbce1069feeff3ad..c7a8ae70478fc8f253524bb64c0094766f191c1b 100644
--- a/lib/codemirror.css
+++ b/lib/codemirror.css
@@ -270,7 +270,7 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
 .CodeMirror-linewidget {
   position: relative;
   z-index: 2;
-  overflow: auto;
+  padding: 0.1px; /* Force widget margins to stay inside of the container */
 }
 
 .CodeMirror-widget {}