body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background-color: #f4f4f4;
    padding: 1rem;
    margin-bottom: 2rem;
}

footer {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #f4f4f4;
}