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