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

#page-proxy-favicon[pageproxystate="invalid"],
#main-window .tabbrowser-tab[label="(Untitled)"] .tab-icon-image,
#main-window .tabbrowser-tab[label="New Tab"] .tab-icon-image
	{visibility: hidden !important;}

#main-window .tabbrowser-tab[label="(Untitled)"]:not([blah]) label,
#main-window .tabbrowser-tab[label="New Tab"]:not([blah]) label
	{opacity: 0 !important;
	 text-shadow: none !important;}