nav button {
    background-color: #38a169; /* Tailwind's bg-green-600 */
    color: white;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    transition: background-color 0.3s;
}

nav button:hover {
    background-color: #48bb78; /* Tailwind's hover:bg-green-500 */
}