#plg_content_articleindex a.active {
    font-weight: bold;
}
#plg_content_articleindex a.toc-level-2 {
    font-size: 1rem;
}
#plg_content_articleindex a.toc-level-3 {
    font-size: 0.95rem;
}
#plg_content_articleindex a.toc-level-4 {
    font-size: 0.90rem;
}
#plg_content_articleindex a.toc-level-5 {
    font-size: 0.85rem;
}
#plg_content_articleindex a.toc-level-6 {
    font-size: 0.80rem;
}