header{display:block;width:100%;height:40px;line-height:40px;z-index:999;position:fixed;left:0px;top:0px;}header .bg{position:absolute;z-index:-1;left:0px;top:0px;background:#000000;width:100%;height:100%;-webkit-opacity:.4;-moz-opacity:.4;opacity:.4;}header > div,header > div a{color:#FFFFFF;font-size:12px;height:100%;line-height:40px;}header > div a{display:inline-block;color:#FFCA12;}header .vedio{position:absolute;bottom:-105px;right:50px;cursor:-ms-pointer;cursor:pointer;z-index:999;}