:lang(ko){font-family:Noto Sans,sans-serif}:lang(en){font-family:helvetica,sans-serif}:lang(cn){font-family:Microsoft YaHei,simhei,sans-serif}body{margin:0;height:100%;background-color:#f5f5f5;font-family:simhei,Noto Sans}.clearfix{clear:both}.float-left{float:left}.float-right{float:right}.display-none{display:none}#app{width:525px;margin:0 auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{position:absolute;width:525px;top:0;bottom:0}.app-container,.btn{background-color:#fff}.btn{height:30px;display:-webkit-box;display:-ms-flexbox;display:flex;display:-webkit-flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;border:1px solid #c8c8c8;border-radius:4px;padding:4px 8px;color:#343434;font-size:.25926rem;outline:none;cursor:pointer}.btn-active{color:#fff;background-color:rgba(69,69,69,.62)}@media screen and (max-width:540px){.btn{height:35px;font-size:.38889rem}}