body{margin:0;font-family:Arial,sans-serif;background:linear-gradient(135deg,#071C38,#00B6D7);color:#fff;display:flex;align-items:center;justify-content:center;height:100vh}.wrap{text-align:center}.btn{display:inline-block;padding:12px 20px;background:#fff;color:#071C38;text-decoration:none;border-radius:6px;font-weight:bold}.s{opacity:.9}