body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;max-width:720px;margin:0 auto;padding:32px 20px;line-height:1.6;color:#1d1d1f;background:#fafaf7}
header{border-bottom:3px solid #0b4d2c;margin-bottom:24px}
h1{color:#0b4d2c;margin:0 0 8px}h2{color:#0b4d2c;margin-top:28px}
a{color:#0b5fa5}footer{margin-top:40px;font-size:.85em;color:#666;border-top:1px solid #ddd;padding-top:12px}
nav a{margin-right:16px}