@sindresorhus's modern-normalize.css as a plug-and-play JavaScript object compatible with Stitches.
Normalize CSS for stitches
Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.
The modern CSS-in-JS library
Normalizes data that can be found in package.json files.
The modern CSS-in-JS library
Utility for normalizing a numeric range, with a wrapping function useful for polar coordinates
micromark utility normalize identifiers (as found in references, definitions)
Safe defaults for cssnano which require minimal configuration.
Turn any flavor of allowable package.json bin into a normalized object
Normalize a URL
TypeScript definitions for normalize-package-data
Color normalization for React Native.
Normalize URLs with PostCSS
Normalize multiple value display syntaxes into single values.
Use two values display syntax for inner and outer display types.
Normalize CSS animation/transition timing functions.
Normalize keyword values for position into length values.
Normalize unicode-range descriptors, and can convert to wildcard ranges.
Convert two value syntax for repeat-style into one value.
Normalize wrapping quotes for CSS string literals.
Read a package.json file
modernize node.js to current ECMAScript standards
Trim whitespace inside and around CSS rules & declarations.