Grid system
Grid cols 2
1/2
1/2
Grid cols 3
1/3
1/3
1/3
Grid cols 4
1/4
1/4
1/4
1/4
Grid cols 12
col-span-5
col-span-7
Grid cols 12 + offset
col-span-4
col-span-6 + col-start-7
flexbox with margin, padding, used in masonry and filter layouts
w-6/12
w-6/12
w-4/12
w-8/12