*{-webkit-box-sizing:border-box;box-sizing:border-box;font-size:14px}.clearfix:after{content:".";clear:both;display:block;height:0;overflow:hidden;visibility:hidden}.clearfix{zoom:1}html,html body{min-height:100vh;background-color:#ededed}html body #app{min-height:100vh;width:100%}html body #app .container{width:1220px;margin:20px auto;min-height:calc(100vh - 196px)}html body #app ul{margin:0}html body #app ul li{list-style:none}