diff --git a/shared/naturalcrit/codeEditor/codeEditor.less b/shared/naturalcrit/codeEditor/codeEditor.less
index 4913ff3e5..67beb394b 100644
--- a/shared/naturalcrit/codeEditor/codeEditor.less
+++ b/shared/naturalcrit/codeEditor/codeEditor.less
@@ -10,6 +10,10 @@
     font-weight: 600;
   }
 
+  .cm-tab {
+    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAMCAQAAACOs/baAAAARUlEQVR4nGJgIAG8JkXxUAcCtDWemcGR1lY4MvgzCEKY7jSBjgxBDAG09UEQzAe0AMwMHrSOAwEGRtpaMIwAAAAA//8DAG4ID9EKs6YqAAAAAElFTkSuQmCC) no-repeat right;
+  }
+
   .cm-trailingspace {
     background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAACCAYAAAB/qH1jAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3QUXCToH00Y1UgAAACFJREFUCNdjPMDBUc/AwNDAAAFMTAwMDA0OP34wQgX/AQBYgwYEx4f9lQAAAABJRU5ErkJggg==);
     background-position: bottom left;