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

button {
    background-color: #0cba00;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
}