body{margin:0;background:#f5f7f8;color:#203c35;font:17px/1.7 system-ui,sans-serif}main{max-width:800px;margin:40px auto;padding:32px;background:white;border:1px solid #dce5e1;border-radius:16px}a{color:#117864}h1,h2{line-height:1.25}h2{margin-top:32px;font-size:1.25rem}nav{display:flex;gap:24px;flex-wrap:wrap}small{color:#52675f}@media(max-width:600px){main{margin:12px;padding:22px}}