.tocLevel1,
    .tocLevel2,
    .tocLevel3,
    .tocLevel4
{
    margin-bottom: 6px;
}

.tocLevel2 {
    margin-left: 18px;
}


.tocLevel3 {
    margin-left: 36px;
}

.tocLevel4 {
    margin-left: 54px;
}

.tocLevel1 .children,
    .tocLevel2 .children,
    .tocLevel3 .children,
    .tocLevel4 .children
{
    margin-left: 18px;
    margin-top: 4px;

}

.tocLevel1 .category,
    .tocLevel2 .category,
    .tocLevel3 .category,
    .tocLevel4 .category
{
    font-weight: bold;
}