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

header {
    background: #222;
    color: white;
    padding: 1rem;
}

nav a {
    color: #ddd;
    margin-right: 1rem;
    text-decoration: none;
}

nav a:hover {
    color: white;
}

main {
    padding: 2rem;
}

section {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #eee;
}