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

tab .tab-progress{
   -moz-appearance: progressbar !important;
   /*margin-top:14px !important;
   margin-bottom:-2px !important;*/
}

tab .progress-bar{
   -moz-appearance: progresschunk !important; 
}

#statusbar-progresspanel{
  display: none !important;
}

#content tab:not([selected="true"]) .tab-progress,
#content tab:not([selected="true"])  .progress-bar
{
-moz-opacity: 0.8 !important;
}