body{font-family:Arial;margin:0;background:#f4f6fb}
header{background:#0b3d91;color:white;padding:20px;text-align:center}
nav{background:#062a63;padding:10px;text-align:center}
nav a{color:white;margin:0 15px;text-decoration:none;font-weight:bold}
.container{padding:30px}
.card{background:white;padding:20px;margin:10px;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,.1)}
button{background:#f4b400;border:none;padding:10px 15px;border-radius:5px;font-weight:bold}
footer{background:#0b3d91;color:white;text-align:center;padding:20px;margin-top:40px}