body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
    margin: 0;
}

main {
    max-width: 800px;
    margin: 100px auto;
    padding: 40px;
    background: white;
}

h1 {
    font-size: 32px;
}

a {
    margin-right: 20px;
    color: #333;
}