-.tabbrowser-arrowscrollbox > .scrollbutton-up[disabled],
-.tabbrowser-arrowscrollbox > .scrollbutton-down[disabled] {
- opacity: .4;
-}
-
-.tabbrowser-arrowscrollbox > .scrollbutton-up:not([disabled]):hover:active,
-.tabbrowser-arrowscrollbox > .scrollbutton-down:not([disabled]):hover:active {
- -moz-image-region: rect(0, 30px, 17px, 15px);
-}
-
-.tabbrowser-arrowscrollbox > .scrollbutton-up:-moz-locale-dir(rtl),
-.tabbrowser-arrowscrollbox > .scrollbutton-down:-moz-locale-dir(ltr) {
- -moz-transform: scaleX(-1);
-}
-
-.tabbrowser-arrowscrollbox > .scrollbutton-down {
-}
-