body{max-width:40rem;margin:3rem auto;padding:0 1rem;font:16px/1.6 system-ui,sans-serif;color:#222;background:#fff}
h1{font-size:1.6rem}h2{font-size:1.15rem;margin-top:2rem}a{color:#1a5fb4}footer{margin-top:3rem;color:#666;font-size:.9rem}