Template:TOC limit/styles.css

/* Allow limiting of which header levels are shown in a TOC;
   <div class="toclimit-3">, for instance, will limit to
   showing ==headings== and ===headings=== but no further
   (as long as there are no =headings= on the page, which
   there shouldn't be according to the MoS).
 */
.toclimit-2 .toclevel-2,
.toclimit-3 .toclevel-3,
.toclimit-4 .toclevel-4,
.toclimit-5 .toclevel-5,
.toclimit-6 .toclevel-6,
.toclimit-7 .toclevel-7 { display: none; }