body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}
header {
    background-color: #ffcc00;
    padding: 20px;
    text-align: center;
}
header h1 {
    margin: 0;
    font-size: 2.5em;
}
section {
    margin: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: #fff;
}