Index: misc/vertical-tabs.css
===================================================================
RCS file: /cvs/drupal/drupal/misc/vertical-tabs.css,v
retrieving revision 1.2
diff -u -p -r1.2 vertical-tabs.css
--- misc/vertical-tabs.css	12 Apr 2009 02:37:56 -0000	1.2
+++ misc/vertical-tabs.css	16 Apr 2009 15:53:35 -0000
@@ -70,4 +70,5 @@
 .vertical-tabs ul.vertical-tabs-list .summary {
   line-height: normal;
   margin-bottom: 0;
+  font-size: 80%;
 }