:root{font-size:17px}@media(max-width:767px){:root{font-size:13px}}*{margin:0;padding:0;box-sizing:border-box}body{color:#000;background-color:#fff;background-image:radial-gradient(#d9d9d9 1px,transparent 3px);background-size:30px 30px}a{color:#048dff;text-decoration:none}