Index: themes/bartik/css/style.css
===================================================================
RCS file: /cvs/drupal/drupal/themes/bartik/css/style.css,v
retrieving revision 1.14
diff -u -r1.14 style.css
--- themes/bartik/css/style.css	19 Sep 2010 18:10:42 -0000	1.14
+++ themes/bartik/css/style.css	19 Sep 2010 22:24:09 -0000
@@ -1175,6 +1175,7 @@
   text-indent: -9999px;
   border: 1px solid #ccc;
   background: url(../images/search-button.png) no-repeat center center;
+  overflow: hidden;
 }
 #search-form .form-item-keys label {
   display: block;
