#__for_share{position:fixed;top:0;left:0;background:black url("Images/_weixin_share_arrow.png") right top no-repeat;width:100%;height:100%;opacity:.7;z-index:999}
#__for_share .share_img{margin: 64px auto;width: 320px;height: 99px;background: url("Images/_weixin_share_info.png") no-repeat;background-size:320px 99px;z-index:999}