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

header {
    background-color: #4CAF50;
    color: white;
    padding: 20px;
}

section {
    margin: 20px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0px 0px 10px 0px #aaa;
}

h1, h2 {
    color: #333;
}

footer {
    margin-top: 20px;
    padding: 10px;
    background-color: #333;
    color: white;
}