.menus{position:relative}.menus #canvas{width:100%;height:100%;position:absolute;left:0;top:0;z-index:0}.menus ul{width:100%;height:60px;line-height:60px;color:#626262;font-size:18px;padding-left:200px;position:relative;z-index:1}.menus ul li{width:164px;cursor:pointer}