:root{color-scheme:light;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#172b3a;background:#f4f7f9;line-height:1.65}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:800px;margin:auto;padding:28px}header{padding-bottom:12px}nav{display:flex;gap:24px;flex-wrap:wrap}a{color:#165e87;text-underline-offset:3px}main{background:white;border-radius:8px;margin-top:12px;margin-bottom:20px;padding:32px}h1{font-size:2rem;line-height:1.2;margin-top:0}h2{font-size:1.2rem;margin-top:30px}p,li{max-width:70ch}.label,footer{font-size:.9rem;color:#526575}.label{margin-bottom:12px}footer{padding-top:0}@media(max-width:600px){header,main,footer{padding:20px}main{border-radius:0}h1{font-size:1.7rem}}