Reduce transform functions with PostCSS.
Normalize keyword values for position into length values.
PostCSS plugin to transform percentage-based opacity values to more compatible floating-point values.
Nest rules inside each other in CSS
postcss plugin that lets you write :hocus instead of :hover, :focus
Normalize URLs with PostCSS
Use the :focus-within pseudo-selector in CSS
PostCSS plugin to transform :not() W3C CSS level 4 pseudo class to :not() CSS level 3 selectors
Merge longhand properties into shorthand with PostCSS.
Ensure CSS selectors are unique.
SCSS parser for PostCSS
Use the :any-link pseudo-class in CSS
Use unquoted format on @font-face CSS definitions.
Use the rebeccapurple color keyword in CSS
Use two values display syntax for inner and outer display types.
Use a place-* shorthand for align-* and justify-* in CSS
Discard duplicate rules in your CSS files with PostCSS.
Use Custom Selectors in CSS
Use the ic length unit
Use the overflow shorthand in CSS
Use 4 & 8 character hex color notation in CSS
Discard comments in your CSS files with PostCSS.
Use logical properties and values in CSS
PostCSS plugin to transform clamp() to combination of min/max