+ -moz-image-region: rect(0, 32px, 16px, 16px);
+}
+
+.chat-minimize-button {
+ list-style-image: url('chrome://browser/skin/social/chat-icons.png');
+ -moz-image-region: rect(16px, 16px, 32px, 0);
+}
+
+.chat-minimize-button:hover:active,
+.chat-minimize-button:hover {
+ -moz-image-region: rect(16px, 32px, 32px, 16px);
+}
+
+.chat-swap-button {
+ list-style-image: url('chrome://browser/skin/social/chat-icons.png');
+ -moz-image-region: rect(48px, 16px, 64px, 0);
+}
+
+.chat-swap-button:hover:active,
+.chat-swap-button:hover {
+ -moz-image-region: rect(48px, 32px, 64px, 16px);
+}
+
+chatbar > chatbox > .chat-titlebar > .chat-swap-button {
+ list-style-image: url('chrome://browser/skin/social/chat-icons.png');
+ -moz-image-region: rect(32px, 16px, 48px, 0);
+}
+
+chatbar > chatbox > .chat-titlebar > .chat-swap-button:hover:active,
+chatbar > chatbox > .chat-titlebar > .chat-swap-button:hover {
+ -moz-image-region: rect(32px, 32px, 48px, 16px);