.drilldown-root{margin-bottom:0}.drilldown{overflow:hidden}.drilldown-sub{display:none}.drilldown li{border-bottom:1px solid #eee;background:#e4e4e4}.drilldown a{display:block;padding:10px;padding-left:30px;color:#777;font-size:14px}.drilldown .navback{background:#ddd}.drilldown a.navback{padding-left:10px;color:#000;padding-top:15px;padding-bottom:15px}.drilldown .navback i{width:20px}#main-nav{margin-top:-6px;padding:0}