@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
#urlbar-go-button
{
 background: transparent !important;
 visibility: visible !important;
 border: none !important;
 box-shadow: none !important;
}

#urlbar-reload-button,
#urlbar-stop-button,
#urlbar-go-button
{
 width: 2.5em;
 text-align: center;

}