diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index d2f24f5c6..1a466fb16 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -300,7 +300,7 @@ property on the headline itself.")
     padding: 3px;
     border: 1px solid black;
   }
-  pre.src:hover:before { display: inline;}
+  pre.src:hover:before { display: inline; margin-top: 14px;}
   /* Languages per Org manual */
   pre.src-asymptote:before { content: 'Asymptote'; }
   pre.src-awk:before { content: 'Awk'; }