.tab-navigation{margin:0 0 1em 0;padding:0}.tab-navigation li{background:#FFF;border:1px solid #DDD;color:#444;cursor:pointer;display:inline-block;font-size:16px;margin:0 0 0 -1px;padding:.5em .75em;z-index:1}.tab-navigation li:hover{background:#EEE}.tab-navigation li.disabled{background:#f5f5f5;color:#999}.tab-navigation li.active{background:#666;border-color:#666;color:#fafafa;z-index:1100}.tab-navigation>*:first-child{margin-top:0}.block{display:block}.hidden{display:none}