.book-index
{
}

.book-index h2
{
    font-weight: bold;
    text-decoration: underline;
    margin-bottom: 25px;
}

.book-index ul.struc
{
    list-style-type: none;
    padding: 0 0 0 10px;
}

.book-index ul.struc.sub1
{
    display: none;
    height: 0;
    transition: height 2s;
}

.book-index ul.struc.sub1.expanded
{
    display: list-item;
    height: auto;
    transition: height 2s;
}

.book-index ul.struc .row
{
    width: 100%;
    border-spacing: 0;
    border: none;
}

/* Uncomment this to make the sub chapter row as wide was parent chapter row. */
/*
.book-index ul.struc.sub1 .row
{
    width: 416px;
}
*/

.book-index ul.struc .row td
{
    white-space: nowrap;
}

.book-index ul.struc .row td.chap-title
{
    width: 1px;
    cursor: pointer;
}

.book-index ul.struc .row td.chap-title:hover
{
    text-decoration: none;
}

.book-index ul.struc .row td.dots
{
}

.book-index ul.struc .row td.page-num
{
    width: 27px;
    padding-left: 3px;
}

.book-index ul.struc .chapter-content
{
    padding: 10px 0 10px 30px;
    height: 0;
    transition: height 2s;
    overflow: hidden;
    display: none;
}

.book-index ul.struc .chapter-content.expanded
{
    display: block;
    height: auto;
    transition: height 2s;
}