body{font-family:Arial,sans-serif;max-width:900px;margin:auto;padding:20px;line-height:1.6}
nav a{margin-right:15px}footer{margin-top:40px;border-top:1px solid #ccc;padding-top:10px;font-size:.9em}
.btn{display:inline-block;padding:10px 16px;background:#b0005a;color:#fff;text-decoration:none;border-radius:6px}