MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
.toclimit-2 .toclevel-1 ul,
.toclimit-3 .toclevel-2 ul,
.toclimit-4 .toclevel-3 ul,
.toclimit-5 .toclevel-4 ul,
.toclimit-6 .toclevel-5 ul,
.toclimit-7 .toclevel-6 ul {
	display: none;
}