diff --git a/theme/base/css/display.css b/theme/base/css/display.css
index cdc17d67fe..1be66fe5a5 100644
--- a/theme/base/css/display.css
+++ b/theme/base/css/display.css
@@ -839,6 +839,10 @@ margin-left:2%;
 width:98%;
 float:left;
 }
+.mark-top {
+border-top-width:1px;
+border-top-style:solid;
+}
 
 /* NOTICES */
 #notices_primary {