body{margin:0;background:#000f3f;color:#fff;font-family:system-ui,sans-serif;line-height:1.9}*{box-sizing:border-box}header,main,footer{max-width:820px;margin:auto;padding:24px}header a{font-size:24px;font-weight:800}main{background:#fff;color:#263f32;border-radius:16px;overflow-wrap:anywhere}h1{font-size:28px}h2{font-size:21px;margin-top:32px}a{color:#176a4a;text-underline-offset:4px}header a,footer a{color:#fff}nav{display:flex;gap:12px 20px;flex-wrap:wrap;font-size:14px}button{font:inherit;color:inherit;cursor:pointer}.form-link{display:inline-block;background:#176a4a;color:white;border-radius:10px;padding:10px 20px}@media(max-width:600px){header,main,footer{padding:18px}h1{font-size:24px}}