body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

header {
    background: #2c6e49;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background: #ddd;
    padding: 10px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 15px;
}

nav a {
    text-decoration: none;
    color: #000;
}

main {
    padding: 20px;
    background: white;
}

footer {
    text-align: center;
    padding: 10px;
    font-size: 0.9em;
    background: #eee;
}