Use the :focus-within pseudo-selector in CSS
Normalize URLs with PostCSS
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.
Use the :any-link pseudo-class in CSS
Use the rebeccapurple color keyword in CSS
Use a place-* shorthand for align-* and justify-* in CSS
PostCSS plugin for CSS Modules to pass arbitrary values between your module files
Discard duplicate rules in your CSS files with PostCSS.
Storybook addon used to run the PostCSS preprocessor against your stories.
Use Custom Selectors in CSS
Use the overflow shorthand in CSS
Use 4 & 8 character hex color notation in CSS
Discard comments in your CSS files with PostCSS.
PostCSS plugin to transform clamp() to combination of min/max
PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)
Use the gap, column-gap, and row-gap shorthand properties in CSS
Jest's preprocessor for css, sass, less, stylus modules generated with Webpack
Use the :dir pseudo-class in CSS
Use the unset keyword in CSS.
Use the color() function in CSS
Style form elements when they are empty
A pseudo-class for matching elements in a selector list