body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header {
    background-color: #00509e;
    color: #fff;
    padding: 10px;
    text-align: center;
}
section {
    margin: 20px;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fff;
}
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}