left
-1px
Defined in src/modes/base.json
src/modes/base.json
Refers to border-width.base
border-width.base
-0.25em
Defined in src/components/components.json
src/components/components.json
Refers to dimension.25
dimension.25
Refers to unit.system
unit.system
background-position
center
Refers to background-position.100
background-position.100