#messageDialog{width:240px;height:100px;border:1px solid #000;position:fixed;bottom:0;right:0;display:none;background-color:#fff;z-index:9999;overflow:auto}#messageDialog .title{width:100%;height:20px;line-height:20px;background:#3d4458;font-weight:bold;text-align:left;font-size:12px;color:#fff}#messageDialog .messageList{width:100%;font-size:12px;text-align:left}