+#webrtc-status-button {
+ -moz-image-region: rect(0, 360px, 18px, 342px);
+}
+
+#webrtc-status-button:not([disabled="true"]):hover,
+#webrtc-status-button[open="true"] {
+ -moz-image-region: rect(18px, 360px, 36px, 342px);
+}
+
+#webrtc-status-button[disabled="true"] {
+ -moz-image-region: rect(36px, 360px, 54px, 342px);
+}
+
+/* tabview button & menu item */
+
+#tabview-button,
+#menu_tabview {
+ list-style-image: url("chrome://browser/skin/tabview/tabview.png");
+}
+
+#tabview-button {
+ -moz-image-region: rect(0, 90px, 18px, 72px);
+}
+
+#tabview-button[groups="0"] {
+ -moz-image-region: rect(0, 18px, 18px, 0);
+}
+
+#tabview-button[groups="1"] {
+ -moz-image-region: rect(0, 36px, 18px, 18px);
+}
+
+#tabview-button[groups="2"] {
+ -moz-image-region: rect(0, 54px, 18px, 36px);
+}
+
+#tabview-button[groups="3"] {
+ -moz-image-region: rect(0, 72px, 18px, 54px);
+}
+
+#menu_tabview {
+ -moz-image-region: rect(1px, 89px, 17px, 73px);
+}
+
+#menu_tabview[groups="0"] {
+ -moz-image-region: rect(1px, 17px, 17px, 1px);
+}
+
+#menu_tabview[groups="1"] {
+ -moz-image-region: rect(1px, 35px, 17px, 19px);
+}
+
+#menu_tabview[groups="2"] {
+ -moz-image-region: rect(1px, 53px, 17px, 37px);
+}
+
+#menu_tabview[groups="3"] {
+ -moz-image-region: rect(1px, 71px, 17px, 55px);
+}
+