Ticket #23679: 23679.diff

wp-content/themes/twentythirteen/style.css

@@ -395 +395 @@
 
 input[type="search"] {
         -webkit-appearance: textfield;
-        -webkit-box-sizing: content-box;
-        -moz-box-sizing:    content-box;
-        box-sizing:         content-box;
         padding-right: 2px; /* Don't cut off the webkit search cancel button */
 }