diff --git a/skin/admintemplate.css b/skin/admintemplate.css
index 88719b74c..5df64ce30 100644
--- a/skin/admintemplate.css
+++ b/skin/admintemplate.css
@@ -50,4 +50,10 @@
     position: absolute;
     top: 2px;
     font-size: 1.3em;
+}
+
+/*table footer line (e.g. for sums)*/
+.table-bordered > tfoot > tr > td, .table-bordered > tfoot > tr > th
+{
+    border-top-width: 2px;
 }
\ No newline at end of file