--- a/mercurial/templates/static/style-gitweb.css	Wed Jun 27 07:19:30 2018 -0700
+++ b/mercurial/templates/static/style-gitweb.css	Thu Jun 28 07:41:08 2018 +0800
@@ -74,6 +74,7 @@
   background: #ffc;
   border: 1px solid yellow;
   border-radius: 5px;
+  z-index: 15;
 }
 
 #searchform:hover div#hint { display: block; }