ul li{margin:0;padding:0;list-style:none}#app{width:100%;height:100vh;margin:0 auto}.tab-tilte{width:90%}.tab-tilte li{float:left;width:25%;padding:.052083rem 0;text-align:center;background-color:#f4f4f4;cursor:pointer}.tab-tilte .active{background-color:#09f;color:#fff}.tab-content div{float:left;width:100%;height:100vh;text-align:center}