body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333;
}

header {
    background: #003366;
    color: white;
    padding: 40px;
    text-align: center;
}

section {
    padding: 20px 40px;
}

footer {
    background: #003366;
    color: white;
    padding: 40px;
    text-align: center;
}