+.newtab-control-block {
+ background-image: -moz-image-rect(url("chrome://browser/skin/newtab/controls.svg"), 0, 192, 32, 160);
+}
+
+.newtab-control-block:hover {
+ background-image: -moz-image-rect(url("chrome://browser/skin/newtab/controls.svg"), 0, 224, 32, 192);