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

header {
    background: #007BFF;
    color: white;
    padding: 1rem;
    text-align: center;
}

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

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
    background: #f8f9fa;
}

footer {
    background: #e9ecef;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
}