*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Arial,Helvetica,system-ui,sans-serif;margin:0;padding:0}::selection{background-color:#00f;color:#fff}.container{max-width:720px;margin:0 auto;padding:20px;font-size:48px;line-height:1.3;letter-spacing:-.015em}