Bug 416608 - Unifinder close-button seems to be in a selected state, r=ctalbert

calendar/base/themes/winstripe/calendar-unifinder.css

@@ -99,6 +99,7 @@
   -moz-appearance: none;
   border: none;
   padding: 2px;
+  background: transparent;
 }
 
 .unifinder-closebutton:hover {