window.innerWidth=px

Example with equal column widths

col-12
col-6
col-6
col-4
col-4
col-4
col-3
col-3
col-3
col-3
col-2
col-2
col-2
col-2
col-2
col-2
col-1
col-1
col-1
col-1
col-1
col-1
col-1
col-1
col-1
col-1
col-1
col-1

Example with mixed column widths

col-4
col-8
col-2
col-8
col-2
col-1
col-2
col-4
col-5

Example with nested rows/columns

col-6/col-6
col-6/col-6

Example with different row heights

col-12
col-6
col-6
col-4
col-4
col-4