Convert two value syntax for repeat-style into one value.
Normalize keyword values for position into length values.
PostCSS plugin to transform :not() W3C CSS level 4 pseudo class to :not() CSS level 3 selectors
Normalize CSS animation/transition timing functions.
Normalize URLs with PostCSS
Ensure CSS selectors are unique.
Nest rules inside each other in CSS
Merge longhand properties into shorthand with PostCSS.
Trim whitespace inside and around CSS rules & declarations.
Use unquoted format on @font-face CSS definitions.
Use the :focus-visible pseudo-selector in CSS
Use a place-* shorthand for align-* and justify-* in CSS
Use two values display syntax for inner and outer display types.
SCSS parser for PostCSS
PostCSS plugin to transform percentage-based opacity values to more compatible floating-point values.
Use the :focus-within pseudo-selector in CSS
PostCSS plugin to transform clamp() to combination of min/max
Use the overflow shorthand in CSS
Use the ic length unit
Use Custom Selectors in CSS
Use the rebeccapurple color keyword in CSS
Use 4 & 8 character hex color notation in CSS
Use the :any-link pseudo-class in CSS
Use the gap, column-gap, and row-gap shorthand properties in CSS