.fl,.left{float:left;}
.fr,.right{float:right;}
.clearfix:after{content:"";height:0;visibility:hidden;display:block;clear:both;}
.clearfix{zoom:1;}
.hide{display:none;}
.show,.block{display:block;}
.center{text-align:center;}

#browsermask{height:150%;background:#000;filter:alpha(opacity=70);opacity:0.7;position:fixed;top:0;left:0;right:0;bottom:0;z-index:95;display: none;}
/*浏览器版本太低*/
    .browser{display: none; width:800px;margin:0 0 0 -450px;padding:50px;color:#444;background:#fff;position:fixed;top:200px;left:50%;z-index:100;}
    .browser .browserTitle{font-size:36px;}
    .browser .browserSubtitle{margin-top:30px;font-size:24px;}
    .browser .recommend{margin-top:80px;}
    .browser .recommend .inlineblock{display:inline-block;margin:0 40px;font-size:18px;color:#444;}
    .browser .closebtn{display: inline-block;width: 16px;height: 16px;background: url(../img/icon.png) no-repeat -43px -3px;position: absolute;top: 5px;right: 5px;}
    .browser .closebtn:hover{background-position: -7px -3px;}
/*浏览器版本太低*/