.block{width:100%;height:3.73333rem}.middle_block{width:100%;height:1.70667rem}#app,#app div,body{background:#282828}#app{width:100%;max-width:16rem;margin:0 auto;position:relative;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-box-sizing:border-box;box-sizing:border-box}::-webkit-scrollbar{width:0;height:0}