-#button-replyall[disabled="true"] {
- list-style-image: url("chrome://messenger/skin/toolbar/replyall-disabled.gif") !important;
+#button-replyall:not([disabled="true"]):hover,
+#button-replyall:not([disabled="true"]):hover:active,
+#button-replyall[open="true"] {
+ -moz-image-region: rect(168px 75px 189px 50px);