SCSS parser for PostCSS
Trim whitespace inside and around CSS rules & declarations.
Use the :focus-within pseudo-selector in CSS
Use the :focus-visible pseudo-selector in CSS
Normalize keyword values for position into length values.
Normalize URLs with PostCSS
Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset
PostCSS plugin to transform :not() W3C CSS level 4 pseudo class to :not() CSS level 3 selectors
Nest rules inside each other in CSS
Use Custom Selectors in CSS
Use the rebeccapurple color keyword in CSS
Use unquoted format on @font-face CSS definitions.
Ensure CSS selectors are unique.
Use two values display syntax for inner and outer display types.
Use a place-* shorthand for align-* and justify-* in CSS
Use the :any-link pseudo-class in CSS
Merge longhand properties into shorthand with PostCSS.
PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)
Use the ic length unit
Discard duplicate rules in your CSS files with PostCSS.
Discard comments in your CSS files with PostCSS.
Use 4 & 8 character hex color notation in CSS
Use the overflow shorthand in CSS
PostCSS plugin to transform clamp() to combination of min/max