-#sidebar-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
- -moz-image-region: rect(32px, 864px, 64px, 832px);
+#panic-button[cui-areatype="menu-panel"],
+toolbarpaletteitem[place="palette"] > #panic-button {
+ -moz-image-region: rect(0, 896px, 32px, 864px);
+}
+
+#panic-button[cui-areatype="menu-panel"]:hover,
+toolbarpaletteitem[place="palette"] > #panic-button:hover,
+#panic-button[cui-areatype="menu-panel"][panel-multiview-anchor=true] {
+ -moz-image-region: rect(32px, 896px, 64px, 864px);
+}
+
+#web-apps-button[cui-areatype="menu-panel"],
+toolbarpaletteitem[place="palette"] > #web-apps-button {
+ -moz-image-region: rect(0, 928px, 32px, 896px);
+}
+
+#web-apps-button[cui-areatype="menu-panel"]:hover,
+toolbarpaletteitem[place="palette"] > #web-apps-button:hover {
+ -moz-image-region: rect(32px, 928px, 64px, 896px);