.cascade-demo {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.cascade-demo p {
    color: #333;
    padding: 10px;
    margin: 5px 0;
    border-left: 4px solid #ccc;
}

.cascade-demo .class-style {
    color: blue;
    border-left-color: blue;
}

.cascade-demo #id-style {
    color: green;
    border-left-color: green;
}

.cascade-demo .important-style {
    color: red !important;
    border-left-color: red;
}

.toggle-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    margin: 5px;
}

.toggle-btn:hover {
    background: #0056b3;
}