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

header {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 20px;
}

main {
    padding: 20px;
}

h1 {
    font-size: 2em;
}

.links ul {
    list-style-type: none;
    padding: 0;
}

.links li {
    margin: 5px 0;
}

.links a {
    text-decoration: none;
    color: #333;
    font-size: 1.2em;
}

.links a:hover {
    color: #4CAF50;
}