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

header {
    background-color: #222;
    color: white;
    padding: 1em 0;
}

nav ul {
    display: flex;
    list-style: none;
    justify-content: center;
    padding: 0;
    margin: 0;
}

nav ul li {
    margin: 0 1em;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 2em;
    max-width: 800px;
    margin: auto;
}

footer {
    background-color: #222;
    color: white;
    text-align: center;
    padding: 1em 0;
}

.social-links a {
    color: white;
    margin: 0 0.5em;
    font-size: 1.5em;
    text-decoration: none;
}