body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

header {
    background-color: #003366;
    color: white;
    padding: 40px 20px;
    text-align: center;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: auto;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section {
    margin-bottom: 30px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #003366;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}