diff --git a/ui/src/styles/md-editor.scss b/ui/src/styles/md-editor.scss
index 8b21fc1db..e7f0d0588 100644
--- a/ui/src/styles/md-editor.scss
+++ b/ui/src/styles/md-editor.scss
@@ -47,5 +47,5 @@
 }
 
 .md-editor-preview .md-editor-code .md-editor-code-head {
-  z-index: auto !important;
+  z-index: inherit !important;
 }