.simpletoc {
    margin-bottom: 1em;
}

.simpletoc-collapsible {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    font-weight: 700;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 18px;
    border-radius: 5px;
}

.simpletoc-collapsible.active {
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.simpletoc .active,
.simpletoc-collapsible:hover {
    background-color: #ddd;
}

.simpletoc-collapsible .simpletoc-icon::after {
    content: "\02795";
    /* Unicode character for "plus" sign (+) */
    float: right;
    margin-left: 5px;
    font-size: 13px;
}

.simpletoc .active .simpletoc-icon::after {
    content: "\2796";
    /* Unicode character for "minus" sign (-) */
}

.simpletoc-content {
    padding: 0;
    background-color: #f1f1f1;
    overflow: hidden;
    transition: max-height 0.25s ease-in-out;
    display: block;
    /* Ensure the content is set to display */
    max-height: 0;
    /* Initial state for collapsed content */
    border-bottom-right-radius: 5px;
    border-bottom-left-radius: 5px;
}