#app,body,html{width:100%}body,html{margin:0;padding:0;font-size:14px;font-family:Arial,Verdana,Sans-serif;color:#3d3e40}*{box-sizing:border-box}li,ul{list-style:none;padding:0}#main_width{width:1200px!important;margin:0 auto}.el-message{top:100px!important}