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 URLs with PostCSS
Ensure CSS selectors are unique.
Nest rules inside each other in CSS
Merge longhand properties into shorthand with PostCSS.
PostCSS plugin to transform percentage-based opacity values to more compatible floating-point values.
Use two values display syntax for inner and outer display types.
Use a place-* shorthand for align-* and justify-* in CSS
SCSS parser for PostCSS
Use the :focus-within pseudo-selector in CSS
Use unquoted format on @font-face CSS definitions.
PostCSS plugin to transform clamp() to combination of min/max
Discard duplicate rules in your CSS files with PostCSS.
Use the overflow shorthand in CSS
Use Custom Selectors in CSS
Use the rebeccapurple color keyword in CSS
Use the :any-link pseudo-class in CSS
Use the ic length unit
Use the gap, column-gap, and row-gap shorthand properties in CSS
Use 4 & 8 character hex color notation in CSS
PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)
Discard comments in your CSS files with PostCSS.
Use the unset keyword in CSS.