body{font-family:Arial,sans-serif;margin:0;background:#f4f7fb;color:#333}
header,footer{background:#0b4f8a;color:#fff;padding:20px}
nav a{color:#fff;margin-right:15px;text-decoration:none}
.container{max-width:1000px;margin:auto;padding:30px}
.card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1);margin:20px 0}
.btn{background:#0b4f8a;color:#fff;padding:10px 18px;text-decoration:none;border-radius:4px}