#app{overflow:hidden;height:100%;font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}body,html{height:100%;width:100%}*{padding:0;margin:0}.van-overlay{background-color:transparent!important;z-index:999!important}