The classes are named using the format {property}{sides}-{size} for xs and {property}{sides}-{breakpoint}-{size} for sm, md, lg, xl and xxl.

Whereproperty is one of:

• m - for classes that set margin
• p - for classes that set padding

Wheresides is one of:

• t - for classes that set margin-top or padding-top
• b - for classes that set margin-bottom or padding-bottom
• l - for classes that set margin-left or padding-left
• r - for classes that set margin-right or padding-right
• x - for classes that set both *-left and *-right
• y - for classes that set both *-top and *-bottom
• blank - for classes that set a margin or padding on all 4 sides of the element

Wheresize is one of: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 & auto