Index: misc/vertical-tabs.css
===================================================================
RCS file: /cvs/drupal/drupal/misc/vertical-tabs.css,v
retrieving revision 1.8
diff -u -p -r1.8 vertical-tabs.css
--- misc/vertical-tabs.css	7 Oct 2010 15:54:13 -0000	1.8
+++ misc/vertical-tabs.css	5 Jan 2011 14:44:12 -0000
@@ -23,6 +23,9 @@ div.vertical-tabs {
 .vertical-tabs legend {
   display: none;
 }
+.vertical-tabs fieldset fieldset legend {
+  display: inline-block;
+}
 
 /* Layout of each tab */
 .vertical-tabs ul.vertical-tabs-list li {
Index: themes/seven/vertical-tabs.css
===================================================================
RCS file: /cvs/drupal/drupal/themes/seven/vertical-tabs.css,v
retrieving revision 1.10
diff -u -p -r1.10 vertical-tabs.css
--- themes/seven/vertical-tabs.css	19 Nov 2010 20:45:04 -0000	1.10
+++ themes/seven/vertical-tabs.css	5 Jan 2011 14:44:13 -0000
@@ -73,6 +73,14 @@ div.vertical-tabs .vertical-tabs-panes {
 div.vertical-tabs .vertical-tabs-panes legend {
   display: none;
 }
+div.vertical-tabs .vertical-tabs-panes fieldset fieldset {
+  border: 1px solid #ccc;
+  margin: 1em 0;
+  padding: 2.5em 0 0;
+}
+div.vertical-tabs .vertical-tabs-panes fieldset fieldset legend {
+  display: inline-block;
+}
 .vertical-tabs-pane .fieldset-wrapper > div:first-child {
   padding-top: 5px;
 }