Utilities for controlling how elements are sized and placed across grid columns.
Use col-span-<number> utilities like col-span-2 and col-span-4 to make an element span n columns:
Use col-start-<number> or col-end-<number> utilities like col-start-2 and col-end-3 to make an element start or end at the nth grid line:
These can also be combined with the col-span-<number> utilities to span a specific number of columns.