#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}@media screen and (min-width:1200px){#app{width:480px;margin:0 auto}:deep(.van-tabbar){width:480px}}