-#saveButton[dirty="true"] {
- list-style-image: url("chrome://editor/skin/icons/savefile-dirty.gif");
-}
-
-#saveButton[dirty="true"]:hover,
-#saveButton[dirty="true"]:hover:active {
- list-style-image: url("chrome://editor/skin/icons/savefile-hover.gif");
-}
-
-#saveButton[dirty="true"][disabled="true"] {
- list-style-image: url("chrome://editor/skin/icons/savefile-disabled.gif") !important;
+#saveButton:not([disabled="true"]):hover,
+#saveButton:not([disabled="true"]):hover:active {
+ -moz-image-region: rect(147px 75px 168px 50px)