Index: themes/bartik/css/colors.css
===================================================================
RCS file: /cvs/drupal/drupal/themes/bartik/css/colors.css,v
retrieving revision 1.1
diff -u -r1.1 colors.css
--- themes/bartik/css/colors.css	6 Jul 2010 05:25:51 -0000	1.1
+++ themes/bartik/css/colors.css	22 Jul 2010 07:52:28 -0000
@@ -18,6 +18,11 @@
 .tabs ul.primary li a.active {
   background-color: #ffffff;
 }
+.tabs ul.primary li a.active,
+.tabs ul.primary li.active a {
+  background-color: #ffffff;
+  border-bottom: 1px solid #ffffff;
+}
 #header {
   background-color: #48a9e4;
   background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#0779bf), to(#48a9e4));
Index: themes/bartik/css/style.css
===================================================================
RCS file: /cvs/drupal/drupal/themes/bartik/css/style.css,v
retrieving revision 1.1
diff -u -r1.1 style.css
--- themes/bartik/css/style.css	6 Jul 2010 05:25:51 -0000	1.1
+++ themes/bartik/css/style.css	22 Jul 2010 07:52:28 -0000
@@ -773,8 +773,9 @@
   vertical-align: bottom;
   margin: 0 5px 0 0; /* LTR */
 }
-.tabs ul.primary li a.active {
-  border-bottom: 1px solid #fff;
+.tabs ul.primary li a.active,
+.tabs ul.primary li.active a {
+  border-bottom: 1px solid #ffffff;
 }
 .tabs ul.primary li a {
   color: #000;
@@ -795,6 +796,9 @@
   -webkit-border-top-right-radius: 6px;
   border-top-right-radius: 6px;
 }
+.tabs ul.primary li.active a {
+  background-color: #ffffff;
+}
 .tabs ul.secondary {
   border-bottom: none;
   padding: 0.5em 0;