body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;max-width:760px;margin:0 auto;padding:24px 16px;line-height:1.6;color:#1d2433;background:#fff}
h1{font-size:1.6rem}h2{font-size:1.15rem;margin-top:1.6em}a{color:#0b5cad}
nav a{margin-right:16px}footer{margin-top:48px;font-size:.85rem;color:#667}