body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f5f7fa;
    color: #333;
}

header {
    background: #0a2540;
    color: white;
    padding: 40px;
    text-align: center;
}

section {
    padding: 30px;
    max-width: 900px;
    margin: auto;
}

h2 {
    color: #0a2540;
}

footer {
    text-align: center;
    padding: 20px;
    background: #ddd;
}