body{margin:0;background:#f7f6f1;color:#153a32;font:17px/1.7 system-ui,sans-serif}main{max-width:850px;margin:32px auto;padding:28px;background:white;border:1px solid #dce4dc;border-radius:20px}nav{display:flex;gap:24px;flex-wrap:wrap}a{color:#245d50}h1{font-size:32px}h2{font-size:21px;margin-top:32px}@media(max-width:600px){main{margin:12px;padding:20px}}