mespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul); .tab-content { background-color: #333 !important; border:0; } .tabbrowser-tab .tab-text { color:#fff; font-family:"Terminus"; font-size: 12px; } .tabbrowser-tab[selected] .tab-text { text-decoration: underline; } #TabsToolbar, .tabbrowser-arrowscrollbox { background-color: #333 !important; height: 30px !important; } #nav-bar { display: none; } .tabs-newtab-button { display: none; } .tab-text { text-align: center !important; } .tab-icon-image { display: none; } .tab-close-button { display: none; }