button {
    margin: 10px;
    padding: 10px 16px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.3s;
}

button:disabled {
    background-color: #ccc !important;
    cursor: not-allowed;
    opacity: 0.7;
}

button:hover:not(:disabled) {
    background-color: #45a049;
}