diff --git a/core/templates/ui/drilldown.html b/core/templates/ui/drilldown.html
index a4f3f21..a880bf5 100644
--- a/core/templates/ui/drilldown.html
+++ b/core/templates/ui/drilldown.html
@@ -35,6 +35,9 @@
     });
   }
   </script>
+  <style>
+    .icon { border-bottom: 0px !important;}
+  </style>
   <div class="box">
     <form method="POST">
       {% csrf_token %}