/*********************************************
 * Table of contents
**********************************************/
.px-toc-navigation__inner {
    border-top:1px solid #bbb;
    border-bottom:1px solid #bbb;
    padding:30px 0;
}

/* Title */
.px-toc-navigation__title {background:none; margin-bottom:16px;}
.px-toc-navigation__title-icon {color:var(--px-color-text); font-size:12px; margin-left:10px;}
.px-toc-navigation__title:not(.active) .px-toc-navigation__title-icon {transform:rotate(180deg);}

/* List item */
.px-toc-list { /* padding-bottom:10px; */}
ul.px-toc-list__items {
}

/* Item */
li.px-toc-list__item {
    -webkit-line-clamp:3; -webkit-box-orient:vertical;
    display:-webkit-box; overflow:hidden; padding:0;
}
li.px-toc-list__item:not(:last-child) {margin-bottom:10px;}

/* Button */
button.px-toc-list__item-btn {
    color:var(--px-color-text); background:none;
    white-space:nowrap; text-overflow:ellipsis; overflow:hidden; max-width:100%;
    text-transform:capitalize;
}
button.px-toc-list__item-btn:hover,
li.active > button.px-toc-list__item-btn {
    font-weight:700;
}

/* Sub */
ul.px-toc-list__items ul {
    border-top:none;
    padding-left:16px; padding-top:0; margin-top:5px;
}