body{margin:0;background:#f6f7f9;color:#17213b;font-family:Arial,sans-serif;font-size:17px;line-height:1.8}main{max-width:780px;margin:auto;padding:32px 22px 64px}nav{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:28px}a{color:#2457e7;overflow-wrap:anywhere}h1{font-size:2rem;line-height:1.3}h2{font-size:1.25rem;margin-top:32px}section{background:white;border:1px solid #e8ebf1;border-radius:20px;padding:20px;margin-top:20px}.button{display:inline-block;background:#2457e7;color:white;padding:12px 20px;border-radius:14px;text-decoration:none}li{margin-bottom:10px}footer{margin-top:36px;color:#606b80}*:focus-visible{outline:3px solid #2457e7;outline-offset:4px}@media(max-width:420px){main{padding:22px 16px}h1{font-size:1.7rem}}