JSPM

Use the color() function in CSS

Leviathan Tarik Design System (tokens, utils, atoms)

Style elements relative to other elements in CSS

Use space and slash separated color notation in CSS

Use hwb() color functions in CSS

Use nested calc() expressions in CSS

Use text-decoration in it's shorthand form in CSS

A JavaScript plugin for entering and validating international telephone numbers

Deliver [Spectrum UI Icons](https://spectrum.adobe.com/page/icons/) as either:

Parse CSS Cascade Layer names.

PostCSS plugin to unwrap nested rules like how Sass does it

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

Keep only the CSS you need based on comments and your browserslist

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

Tokenize CSS

An inline style parser.

Easing functions for CSS, provided as CSS Custom Properties, JavaScript modules, JSON object and Less and Sass variables.

ICSS utils for postcss ast

Solve CSS math expressions

Parse CSS inline style to JavaScript object.

Parse CSS color values

Display resolution-dependent images using the image-set() function in CSS

Use logical overscroll behavior properties and values in CSS

Use logical values in the resize property

Full CSS support for JSX without compromises

Use the color-mix function in CSS

Determine selector specificity with postcss-selector-parser

Use vb and vi length units in CSS

Use double-position gradients in CSS

Use lab() and lch() color functions in CSS

Use logical overflow properties and values in CSS

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

Use flow-relative (inline-start and inline-end) values for float and clear

Parses CSS inline style to JavaScript object (camelCased).

Gamut map css colors to fit display specific gamuts

Use oklab() and oklch() color functions in CSS

Use Custom Media Queries in CSS

The most popular front-end framework for developing responsive, mobile first projects on the web.

A collection of SCSS-specific rules for Stylelint

Use Custom Properties Queries in CSS

Correctly declare progressive enhancements for CSS Custom Properties.

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

Use sin(), cos(), tan(), acos(), atan(), and atan2() to compute trigonometric relationships

Use the random function in CSS

List of standard and browser specific CSS functions.

Use sign and abs functions in CSS

Use round, rem and mod functions in CSS

Inject style tag to document head.

Mix any number of colors with the color-mix function in CSS

Resolve nested CSS selectors

CSS grammar for tree-sitter

Replacing symbols during the linking phase of ICSS

A temporary custom copy of https://github.com/csstree/csstree

Use interpolation methods in CSS gradient functions

A CSS-based selector parser for React Standard Tree (RST) traversal

Style once, use everywhere. A build system for creating cross-platform styles.

Tool for transforming styles with JS plugins

A JavaScript text diff implementation.

Libsass-based Sass compiler for Broccoli

Strict TypeScript and Flow types for style based on MDN data

Open Web data by the Mozilla Developer Network

Generate critical path CSS for web pages

Color conversion and manipulation with CSS string support

Parser and generator for CSS color strings

A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.

Parses and compiles CSS nth-checks to highly optimized functions.

Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website

A suite of parsers and compilers for WordPress styles.

Fast CSS Selectors API Engine

PostCSS plugin for CSS Modules to pass arbitrary values between your module files

Jest utilities for emotion

css loader module for webpack

PostCSS sharable plugins preset for WordPress development.

tiny modular DOM lib for ie9+

A well-tested CSS minifier

A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.

PostCSS loader for webpack

hast utility to check if an element is a css link

A CSS Modules transform to make local scope the default

Convert a kebab-cased CSS property into a camelCased DOM property.

extracts CSS into separate files

PostCSS plugin to import CSS files

hast utility to check if an element is a css style

A pure JavaScript implementation of Sass.

CSS minifier with structural optimisations

Returns a parse tree for a CSS source.

A simple utility for conditionally joining classNames together

Convert values with PostCSS (e.g. ms -> s)

Optimise inline SVG with PostCSS.

Merge longhand properties into shorthand with PostCSS.

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

Generate a hex color from the given text

Ensure CSS selectors are unique.

Postcss compiler for Broccoli

Highly configurable, well-tested, JavaScript-based HTML minifier.

PostCSS for CSS-in-JS and styles in JS objects

A recommended babel preprocessing plugin for emotion, The Next Generation of CSS-in-JS.

Discard duplicate rules in your CSS files with PostCSS.

PostCSS plugin to reduce calc()

Color your terminal using CSS/hex color codes

Add necessary or remove extra charset with PostCSS

Disallow property values that are ignored due to another property value in the same rule.

Discard comments in your CSS files with PostCSS.

Minify gradient parameters with PostCSS.

Detect/remove browser hacks from CSS files.

Trim whitespace inside and around CSS rules & declarations.

Normalize unicode-range descriptors, and can convert to wildcard ranges.

Discard empty rules and values with PostCSS.

A modular minifier, built on top of the PostCSS ecosystem.

Minify colors in your CSS files with PostCSS.

Reduce initial definitions to the actual initial value, where possible.

Ensure values are ordered consistently in your CSS.

Minify font declarations with PostCSS

Just create a single stylesheet...

Merge CSS utility classes without style conflicts - small and zero config

👑 A tiny yet powerful tool for high-performance color manipulations and conversions

PostCSS plugin to discard overridden @keyframes or @counter-style.

Normalize wrapping quotes for CSS string literals.

Merge CSS rules with PostCSS.

Minify selectors with PostCSS.

Minify at-rule params with PostCSS

Normalize URLs with PostCSS

Normalize keyword values for position into length values.

Sorts CSS declarations fast and automatically in a certain order.

List of known CSS properties

Fault-tolerant CSS parser for PostCSS

Convert spritesheet data into CSS or CSS pre-processor data

Postcss compiler for Broccoli, operates on individual files.

Class Variance Authority 🧬

CSS minimizer (minifier) plugin for Webpack

Webpack loader that resolves relative paths in url() statements based on the original source file

PostCSS plugin to replace overflow-wrap with word-wrap or optionally retain both declarations.

rehype plugin to minify `style` elements

A list of all CSS color keywords.

Leaner CSS

rehype plugin to remove `type` on CSS `style` and `link`s

CSS for the <Component> Age. Style components your way with speed, strong typing, and flexibility.

timepicker-ui is a customizable time picker library built with TypeScript, inspired by Google's Material Design. Lightweight, themeable, and easy to integrate.

A list of CSS features and their positions in the process of becoming implemented web standards

A mighty CSS linter that helps you avoid errors and enforce conventions.

A Less loader for webpack. Compiles Less to CSS.

PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)

Using more intuitive `>=`, `<=`, `>`, `<` instead of media queries min/max prefix.

PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias

Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.

A Tailwind CSS plugin for creating beautiful animations.

A CSS property value parser for use with PostCSS

PostCSS plugin This project tries to fix all of flexbug's issues

PostCSS plugin to transform percentage-based opacity values to more compatible floating-point values.

Provides some base functions needed by a css-select adapter so that you don't have to implement the whole thing.

Hyphenates a camelcased CSS property name

SCSS parser for PostCSS

PostCSS plugin to transform clamp() to combination of min/max

Base SCSS utilities and variables for WordPress.

PostCSS plugin to fallback initial keyword.

CSS parser / stringifier

Use the alpha() function in CSS

Recursively compile all SCSS files into minified CSS

Seamless mapping of class names to CSS modules inside of React components.

Use the display-p3-linear color space on the color() function in CSS

css color parsing, manupulation and conversion

A JSON Object of css color names mapped to their hex value

Use the parts of normalize.css or sanitize.css you need from your browserslist

Gatsby plugin for purgecss. Removes unused css/sass/less/stylus from files and modules. Supports Tailwindcss, Bootstrap, Bulma etc.

Useful utility functions for CSS in JS solutions

Get accurate and well named css box model information about an Element 📦

A best-practices CSS foundation

hast utility to parse CSS selectors to hast nodes

Search CSS(-like) strings

Highly configurable, well-tested, JavaScript-based HTML minifier.

A cross-browser CSS foundation

Sanitize untrusted CSS with a configuration specified by a Whitelist. 根据白名单过滤CSS

The Next Generation of CSS-in-JS.

Regex for matching HSLA colors.

Regex for matching RGBA color strings.

List of vendor prefixes known to the web platform

State-Driven Styling in JavaScript

JavaScript & CSS timeline-based animation library

A lib for generating Style Sheets with JavaScript.

The best regular expression (regex) for matching hex color values from string.

Robust, expressive, and feature-rich CSS superset

PostCSS plugin to keep rules and at-rules content in order.

Smallest 5th gen CSS-in-JS library

Minify email templates

parse shorthand css font strings"

TailwindCSS v4.0 compatible replacement for `tailwindcss-animate`.

Reduce CSS calc() function to the maximum

A recommended babel preprocessing plugin for emotion, The Next Generation of CSS-in-JS.

Regex for RGB color strings.

Regex for matching HSL colors.

A minimal CSS module shim

JSS plugin for function value and rule syntax

Indent-based CSS syntax for PostCSS

Parses and determines if a given CSS Media Query matches a set of values.

A collection of order related linting rules for Stylelint.

CSS vendor prefix detection and property feature testing.

https://github.com/deanm/css-color-parser-js

Remove unused CSS from email templates

PostCSS plugin to use CSS Modules everywhere

CSSTree syntax for parsing Tailwind custom syntax.

Colors of Google's Material Design made available to coders

PostCSS syntax for parsing HTML (and HTML-like)

Parse CSS, Sass, and SCSS into Unist syntax trees

Inlines img, script and link tags into the same file.

Modify colors using the color-mod() function in CSS

Use CSS selectors to match nodes in a custom object tree

Convert Hex colors to either RGBA or HSLA

Parsers, transformers and tests for special value types, eg: %, hex codes etc.

Powerful and compliant CSS selector parser.

LESS parser for PostCSS

A collection of functions for manipulating CSS colors, inspired by SASS.

A Sass parser for PostCSS, using gonzales-pe.

Standalone CSS Selector Finder and Parser.

CSS value parser

Use the gray() color function in CSS

A simple list of CSS shorthand properties and which longhand properties they expand to

JavaScript image cropper.

A decent CSS parser

PostCSS plugin to rebase or inline on url().

[][npm_url] [][npm_url] [![license](https://img.shields.io/npm/l/@a-2-c-2-anpm/ut-inventore-illo.svg

Merge keyframe and counter style identifiers.

Converts CSS values from one unit to another

CSS dictionary for cspell.

A very small Markdown, HTML, and CSS parser.

Raw browser/feature support data from caniuse.com

Discard unused counter styles, keyframes and fonts.

PostCSS plugin for Sass-like variables

Reduce z-index values with PostCSS.

Reduce custom identifiers with PostCSS.

Plugin framework for CSS preprocessing

The Next Generation of CSS-in-JS.

Framework for transforming cascading style sheets (CSS) from left-to-right (LTR) to right-to-left (RTL)

Media queries in react for responsive design

Rework declaration visitor utility

Compile and package Angular libraries in Angular Package Format (APF)

CSS parser

Parser and generator for CSS color strings

The Next Generation of CSS-in-JS.

Jest matcher for image comparisons. Most commonly used for visual regression testing.

A command that watches folders(and subfolders) for file changes and automatically compile the less css files into css. This is a file system watcher and compiler.

Turns off all rules that are unnecessary or might conflict with Prettier.

Live CSS Reload & Browser Syncing

A CSS3-compliant JavaScript selector engine.

CSS-only spinners for React

PostCSS plugin custom media generator

Style once, use everywhere. A build system for creating cross-platform styles.

Color conversion and manipulation with CSS string support

Remove unused css selectors

Extracts CSS class/id names from a string

Styled System for the `css` prop