Index: /branches/release-38/mt-static/css/structure.css
===================================================================
--- /branches/release-38/mt-static/css/structure.css (revision 2329)
+++ /branches/release-38/mt-static/css/structure.css (revision 2344)
@@ -1490,5 +1490,5 @@
 .corners b, .corners u, .corners s, .corners i {
     position: absolute;
-    background: transparent url(../images/widget/corners.gif) no-repeat;
+    background: transparent url(../images/widget/corners.png) no-repeat;
     width: 3px;
     height: 3px;