Style range inputs with unprefixed pseudo-classes
Normalize unicode-range descriptors, and can convert to wildcard ranges.
Normalize multiple value display syntaxes into single values.
Discard empty rules and values with PostCSS.
Convert two value syntax for repeat-style into one value.
Normalize CSS animation/transition timing functions.
Ensure CSS selectors are unique.
Normalize keyword values for position into length values.
Reduce transform functions with PostCSS.
Normalize URLs with PostCSS
Trim whitespace inside and around CSS rules & declarations.
Fault-tolerant CSS parser for PostCSS
Merge longhand properties into shorthand with PostCSS.
Merge CSS rules with PostCSS.
Discard duplicate rules in your CSS files with PostCSS.
Reduce initial definitions to the actual initial value, where possible.
Minify gradient parameters with PostCSS.
Discard comments in your CSS files with PostCSS.
Minify selectors with PostCSS.
Style form elements when they are empty
Optimise inline SVG with PostCSS.
Normalize wrapping quotes for CSS string literals.
Convert values with PostCSS (e.g. ms -> s)
Ensure values are ordered consistently in your CSS.