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

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

header.logo {
    margin: 0 auto;
    width: 200px;
}

header h1 {
    margin-top: 10px;
}

section {
    background-color: #f7f7f7;
    padding: 20px;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}