body{font-family:Arial,sans-serif;margin:0;background:#f5f5f5;color:#222}
header{text-align:center;padding:40px;background:#fff}
.logo{max-width:280px}
section{max-width:900px;margin:20px auto;background:#fff;padding:25px;border-radius:10px}
.btn{display:inline-block;background:#d71920;color:#fff;padding:12px 20px;text-decoration:none;border-radius:6px}
footer{text-align:center;padding:20px;background:#222;color:#fff}