body{font-family:Arial;margin:40px;background:#f5f5f5}
header{text-align:center;margin-bottom:40px}
section{background:white;padding:20px;margin-bottom:20px;border-radius:8px}
.center{text-align:center}
.btn{background:#1a4a7a;color:white;padding:15px 25px;text-decoration:none;border-radius:5px}
.card{background:white;padding:15px;border-radius:8px;margin:10px}