Module:Columns/styles.css

/* Used by column templates (see [[Module:columns]]). */
.ul-column-count[data-column-count="2"] ul {
	column-count: 2;
}

.ul-column-count[data-column-count="3"] ul {
	column-count: 3;
}

.ul-column-count[data-column-count="4"] ul {
	column-count: 4;
}

.ul-column-count[data-column-count="5"] ul {
	column-count: 5;
}