Spacing Sizes

Name: : 2rem
Name: xxsmall: 0.25rem
Name: xsmall: 0.5rem
Name: small: 1rem
Name: medium: 2rem
Name: large: 4rem
Name: xlarge: 8rem
Name: xxlarge: 16rem

How to use

.class {
  margin-bottom: bolt-spacing(NAME);
}