@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
.tabs-alltabs-button {
border-left: 1px solid !important;
border-right: 1px solid !important;
border-bottom: 1px solid !important;
-moz-border-left-colors: ThreeDShadow !important;
-moz-border-right-colors: ThreeDShadow !important;
-moz-border-bottom-colors: ThreeDShadow !important;
-moz-border-radius-topleft: 12px !important;
-moz-border-radius-topright: 2px !important;
-moz-border-radius-bottomleft: 2px !important;
-moz-border-radius-bottomright: 2px !important;
margin-top:3px!important;
margin-bottom:3px!important;
}