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 the :focus-visible pseudo-selector in CSS
Use unquoted format on @font-face CSS definitions.
Use a place-* shorthand for align-* and justify-* in CSS
Use two values display syntax for inner and outer display types.
Use the :focus-within pseudo-selector in CSS
Use the overflow shorthand in CSS
PostCSS plugin to insert 3D hack before will-change property
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
Discard duplicate rules in your CSS files with PostCSS.
Use the gap, column-gap, and row-gap shorthand properties in CSS
Use logical properties and values in CSS