#MySignature {
    border: solid 1px #E5E5E5;
    padding: 10px;
    background: #FFFEFE url(https://images.cnblogs.com/cnblogs_com/heimatengyun/1599945/o_qrcode.jpg) no-repeat scroll 1% 50%;
    padding-left: 180px;
    height: 160px;
}

<!--公告-->
.box{border:1px solid #E8E7D0;margin-bottom:10px;background:#fff;}
.catListTitle,.boxtitle {padding-left:10px;padding-bottom:5px;border-bottom:1px solid #c1c5b5;color:#333;font-weight:bold;font-size:14px;letter-spacing:2px;line-height:1.5em;text-align:left;margin-top:10px;margin-bottom:10px;margin-left:15px;margin-right:15px;}