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

.tab-progress > .progress-bar {
	height: 3px;
	min-height: 3px;
	max-height: 3px;
	-moz-appearance: progresschunk !important;
}

tab:not([selected="true"]):not(:hover) .tab-progress > .progress-bar {
	height: 2px;
	min-height: 2px;
	max-height: 2px;
}