.certification-page{-webkit-box-flex:1;-ms-flex:1;flex:1}.certification-page .float-right{height:28px;float:right;margin-left:15px}.certification-page .menuContent{position:absolute;top:0;left:0;width:200px;height:150px;overflow:auto;background:#fff;border:1px solid #ccc;opacity:0;z-index:-99999}