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

#tabbrowser-tabs tab:only-of-type,
#TabsToolbar #alltabs-button {
	display: none !important;
}

.tab-background, .tab-stack {
	min-height: 0 !important;
}

#TabsToolbar {
	min-height: 0 !important;
}

#tabbrowser-tabs,
#tabbrowser-tabs arrowscrollbox {
	min-height: 0 !important;
	--tab-min-height: 0 !important;
}
