body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #333;
}

header {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: center;
}

nav a {
    margin: 0 1rem;
    color: #ecf0f1;
    text-decoration: none;
}

main {
    padding: 2rem;
}

article {
    margin-bottom: 2rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #eee;
    margin-top: 2rem;
}