.mr_table table tr td{position:relative}.fail{cursor:pointer;font-size:12px;color:#46a6ff}.fail_content{position:absolute;border:1px solid #fff;border-radius:15px;-webkit-box-shadow:0 3px 6px rgba(0,0,0,.3);box-shadow:0 3px 6px rgba(0,0,0,.3);background-color:#d3d3d3;width:300px;top:-20px;left:50%;z-index:1000}