@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

.tbx-tabbar-toolbar, .aiostbx-tabbar-toolbar {
   background: url("chrome://global/skin/icons/tabbrowser-tabs-bkgnd.png") -moz-dialog repeat scroll !important;
   border: none !important;
   height: 25px !important;
}

#tbx-tabright-toolbox, #tbx-tableft-toolbox,
#aiostbx-tabright-toolbox, #aiostbx-tableft-toolbox  {
   background: url("chrome://global/skin/icons/tabstrip-bottom.png") -moz-dialog repeat scroll !important;
   -moz-appearance: none !important;
   border-top: none !important;
   border-bottom: 4px solid transparent !important;
   -moz-border-bottom-colors: ThreeDShadow Transparent Transparent ThreeDShadow !important;
   padding-bottom: 0px !important;
}