JSPM

convert string with ANSI color codes into a styled html pre tag

Customizable color text formatting with presets for ANSI & HTML

Color your terminal using CSS/hex color codes

🦅 cli syntax highlighting: any function - any object - 176 languages

Tool for transforming styles with JS plugins

A JavaScript text diff implementation.

Strict TypeScript and Flow types for style based on MDN data

Open Web data by the Mozilla Developer Network

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

a CSS selector compiler/engine

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

Parser and generator for CSS color strings

Color conversion and manipulation with CSS string support

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

Fast CSS Selectors API Engine

A react component toolset for managing animations

css loader module for webpack

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

tiny modular DOM lib for ie9+

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

PostCSS loader for webpack

A well-tested CSS minifier

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

A CSS Modules transform to make local scope the default

PostCSS plugin to unwrap nested rules like how Sass does it

extracts CSS into separate files

ICSS utils for postcss ast

PostCSS plugin to import CSS files

A pure JavaScript implementation of Sass.

CSS minifier with structural optimisations

A modern CSS parser and stringifier with TypeScript support

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

Optimise inline SVG with PostCSS.

A simple utility for conditionally joining classNames together

Merge Tailwind CSS classes without style conflicts

Merge longhand properties into shorthand with PostCSS.

Generate a hex color from the given text

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

Ensure CSS selectors are unique.

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

Discard comments in your CSS files with PostCSS.

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

Minify gradient parameters with PostCSS.

PostCSS plugin to reduce calc()

Discard duplicate rules in your CSS files with PostCSS.

Add necessary or remove extra charset with PostCSS

Full CSS support for JSX without compromises

Detect/remove browser hacks from CSS files.

Just create a single stylesheet...

Trim whitespace inside and around CSS rules & declarations.

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

Algorithms to help you parse CSS from an array of tokens.

Solve CSS math expressions

Tokenize CSS

Discard empty rules and values with PostCSS.

Ensure values are ordered consistently in your CSS.

Minify font declarations with PostCSS

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

Merge CSS rules with PostCSS.

Minify colors in your CSS files with PostCSS.

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

Minify selectors with PostCSS.

Minify at-rule params with PostCSS

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

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

Normalize URLs with PostCSS

Normalize wrapping quotes for CSS string literals.

Normalize keyword values for position into length values.

Sorts CSS declarations fast and automatically in a certain order.

Parse CSS inline style to JavaScript object.

Determine selector specificity with postcss-selector-parser

Color helpers to ease transformation between formats, gamut, etc

Parse CSS color values

An inline style parser.

Class Variance Authority 🧬

hast utility to create an element from a simple CSS selector

List of known CSS properties

Fault-tolerant CSS parser for PostCSS

Use Custom Media Queries in CSS

Use 4 & 8 character hex color notation in CSS

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

CSS minimizer (minifier) plugin for Webpack

Use logical properties and values in CSS

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

A list of all CSS color keywords.

Use the gap, column-gap, and row-gap shorthand properties in CSS

Leaner CSS

Use the rebeccapurple color keyword in CSS

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

Use Custom Selectors in CSS

Use the :focus-within pseudo-selector in CSS

Style form elements when they are empty

Use the :focus-visible pseudo-selector in CSS

Style elements relative to other elements in CSS

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

Nest rules inside each other in CSS

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

Use Custom Properties Queries in CSS

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

A pseudo-class for matching elements in a selector list

Use the color() function in CSS

Use the ic length unit

Convert modern CSS into something browsers understand

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.

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

Use a place-* shorthand for align-* and justify-* in CSS

Use the :any-link pseudo-class in CSS

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

Use double-position gradients in CSS

Enable support for case insensitive attribute matching in selectors

A Less loader for webpack. Compiles Less to CSS.

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

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

Use space and slash separated color notation in CSS

A Tailwind CSS plugin for creating beautiful animations.

Use the :dir pseudo-class in CSS

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

Use the overflow shorthand in CSS

Use light and dark color schemes in all browsers

Use unquoted format on @font-face CSS definitions.

Parses CSS inline style to JavaScript object (camelCased).

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

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

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

A CSS property value parser for use with PostCSS

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

Hyphenates a camelcased CSS property name

Parse CSS media query lists.

Correctly declare progressive enhancements for CSS Custom Properties.

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

SCSS parser for PostCSS

Use hwb() color functions in CSS

PostCSS plugin to fallback initial keyword.

Use round, rem and mod functions in CSS

Use cascade layers in CSS

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

Use two values display syntax for inner and outer display types.

Use nested calc() expressions in CSS

CSS parser / stringifier

Use env() variables in CSS

List of standard and browser specific CSS functions.

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

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

css color parsing, manupulation and conversion

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

A collection of SCSS-specific rules for Stylelint

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

Useful utility functions for CSS in JS solutions

Search CSS(-like) strings

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

A best-practices CSS foundation

A cross-browser CSS foundation

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

The Next Generation of CSS-in-JS.

Replacing symbols during the linking phase of ICSS

List of vendor prefixes known to the web platform

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

Regex for matching HSLA colors.

Regex for matching RGBA color strings.

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

A lib for generating Style Sheets with JavaScript.

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

Reduce CSS calc() function to the maximum

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

A minimal CSS module shim

parse shorthand css font strings"

Regex for RGB color strings.

Regex for matching HSL colors.

Parse CSS Cascade Layer names.

A collection of order related linting rules for Stylelint.

Indent-based CSS syntax for PostCSS

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

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

JSS plugin for function value and rule syntax

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

PostCSS plugin to use CSS Modules everywhere

CSS vendor prefix detection and property feature testing.

Resolve nested CSS selectors

Use logical values in the resize property

Colors of Google's Material Design made available to coders

Reads and parses a JSON file.

Use the color-mix function in CSS

PostCSS syntax for parsing HTML (and HTML-like)

Gamut map css colors to fit display specific gamuts

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

Use interpolation methods in CSS gradient functions

Use vb and vi length units in CSS

Use logical overscroll behavior properties and values in CSS

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

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

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

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

Use logical overflow properties and values in CSS

LESS parser for PostCSS

Use the gray() color function in CSS

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

Powerful and compliant CSS selector parser.

Standalone CSS Selector Finder and Parser.

A Sass parser for PostCSS, using gonzales-pe.

Storybook Themes addon: Switch between themes from the toolbar

JavaScript image cropper.

A decent CSS parser

CSS value parser

Generate fallback values for content with alt text

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

Merge keyframe and counter style identifiers.

PostCSS plugin to rebase or inline on url().

Plugin framework for CSS preprocessing

Converts CSS values from one unit to another

Use the random function in CSS

Raw browser/feature support data from caniuse.com

Rework declaration visitor utility

Inject style tag to document head.

CSS dictionary for cspell.

Discard unused counter styles, keyframes and fonts.

Reduce z-index values with PostCSS.

The Next Generation of CSS-in-JS.

PostCSS plugin for Sass-like variables

Reduce custom identifiers with PostCSS.

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

Media queries in react for responsive design

CSS parser

The Next Generation of CSS-in-JS.

A CSS3-compliant JavaScript selector engine.

Use sign and abs functions in CSS

Parser and generator for CSS color strings

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

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

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

Remove unused css selectors

Color conversion and manipulation with CSS string support

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

Live CSS Reload & Browser Syncing

Self-host the Roboto font in a neatly bundled NPM package.

Styled System for the `css` prop

Map color names to HEX color values.

Zoom and pan html elements in easy way

PostCSS helpers to throw or output GNU style messages

Turn a CSS color into its smallest representation.

Extract and inline critical css with emotion for server side rendering.

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

hast utility for `querySelector`, `querySelectorAll`, and `matches`

PostCSS plugin for mixins

CSS modules support for TypeScript

Self-host the Inter font in a neatly bundled NPM package.

Convert color string (or parseable argument) to RGBA array

create matching selectors from css for your very own nested object hierarchy