diff --git a/css/app.css b/css/app.css
index a448b212b..7e1398f85 100644
--- a/css/app.css
+++ b/css/app.css
@@ -302,6 +302,7 @@ button.Browse .label {
 
 .inspector-wrap .tag-table-wrap {
     max-height:350px;
+    border-top: 1px solid #ccc;
     overflow:auto;
 }