:root{font-family:PT Sans Caption,sans-serif}body{font-family:inherit;margin:0;padding:0;background:#f8f8f8;color:#222}h1{font-size:2.2rem;margin-bottom:1rem}nav{margin:2rem 0}nav a{color:#036;text-decoration:none;margin:0 1rem}nav a:hover{text-decoration:underline}