#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}nav{padding:30px}nav a{font-weight:700;color:#2c3e50}nav a.router-link-exact-active{color:#42b983}#upload{text-align:center;padding:40px 20px}.preview-cover{position:absolute;bottom:0;box-sizing:border-box;width:100%;padding:4px;color:#fff;font-size:12px;text-align:center;background:rgba(0,0,0,.3)}.submit_button{text-align:center;padding-top:10px}.choose_file,.van-button--normal{width:calc(100vw - 40px);height:42px!important;border-radius:10px!important}.van-uploader__preview{margin:0 10px 10px 0!important;width:calc(25vw - 17.5px)}.van-uploader__preview:nth-of-type(4n){margin-right:0!important}