*,*:before,*:after{box-sizing:border-box}html,body{height:100%;margin:0;padding:0;overflow-x:hidden;overflow-y:auto}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;display:block;width:100%;height:100%;margin:0;padding:0}