body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #f9f9f9;
    margin: 0;
    padding: 0;
}

header {
    background: #333;
    color: white;
    padding: 20px 0;
    text-align: center;
}

header img {
    height: 60px;
    vertical-align: middle;
}

main {
    margin: 40px;
    font-size: 20px;
}

footer {
    background: #eee;
    padding: 20px;
    margin-top: 50px;
    font-size: 14px;
}

a {
    color: #333;
}