*{box-sizing:border-box}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#fff;height:100vh;overflow:auto;background-color:#fff;font-size:12px}#app>div{height:100%}button{border-radius:5px;outline:none;border:0}