html{box-sizing:border-box}*,:after,:before{box-sizing:inherit}body,html{margin:0;padding:0}body{background-color:#fff;color:#000;-webkit-font-smoothing:antialiased}.app{width:75%;margin:40px 56px;font-family:serif;font-size:32px;line-height:1.5}.app>span{color:gray}@media screen and (max-width:640px){.app{font-size:24px;line-height:1.5;margin:20px 32px}}@media screen and (max-width:480px){.app{font-size:20px;line-height:1.33;margin:10px 16.6px}}