button {
    padding: 10px 20px;
    margin-bottom: 20px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
}
button:hover {
    background-color: #0056b3;
}
h4 {
    cursor: pointer;
    color: #333;
}
h3 {
    cursor: pointer;
    color: green;
}
p {
    margin-left: 20px;
    line-height: 1.6;
}
.hidden {
    display: none;
}