+.pause:active {
+ -moz-image-region: rect(32px, 48px, 48px, 32px);
+}
+.pause[disabled="true"] {
+ -moz-image-region: rect(48px, 48px, 64px, 32px);
+}
+
+.resume {
+ -moz-image-region: rect(0px, 16px, 16px, 0px);
+}
+.resume:hover {
+ -moz-image-region: rect(16px, 16px, 32px, 0px);
+}
+.resume:active {
+ -moz-image-region: rect(32px, 16px, 48px, 0px);
+}
+.resume[disabled="true"] {
+ -moz-image-region: rect(48px, 16px, 64px, 0px);
+}
+