--- modules/system/system.css	2008-01-30 13:26:57.000000000 +0000
+++ modules/system/system.css	2008-01-30 14:10:04.000000000 +0000
@@ -26,10 +26,8 @@
 td.checkbox, th.checkbox {
   text-align: center;
 }
-tbody {
-  border-top: 1px solid #ccc;
-}
 tbody th {
+  border-top: 1px solid #ccc;
   border-bottom: 1px solid #ccc;
 }
 thead th {