1/* Rounded title buttons (headerbar window controls) */ 2 3@namespace xul url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); 4 5:root[tabsintitlebar] #titlebar .titlebar-button { 6 border-radius: 100% !important; 7 height: 30px !important; 8 width: 30px !important; 9 margin: 2px 5px !important; 10} 11