JSPM

An `<sp-progress-circle>` shows the progression of a system operation such as downloading, uploading, processing, etc. in a visual way. It can represent both determinate and indeterminate progress, helping users understand the status of ongoing operations

Fast CSS Selectors API Engine

An `<sp-progress-bar>` shows the progression of a system operation such as downloading, uploading, processing, etc. in a visual way. It can represent determinate or indeterminate progress.

Progress bar component pack for Seed

An `<sp-meter>` is a visual representation of a quantity or achievement. The meter's progress is determined by user actions, rather than system actions.

Tool for transforming styles with JS plugins

PostCSS plugin for making calculations with math.js

A JavaScript text diff implementation.

An ESLint plugin that provides rules to verify CSS definition objects.

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

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 react component toolset for managing animations

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

css loader module for webpack

tiny modular DOM lib for ie9+

A well-tested CSS minifier

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

A CSS Modules transform to make local scope the default

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

PostCSS loader for webpack

PostCSS plugin to import CSS files

CSS minifier with structural optimisations

extracts CSS into separate files

PostCSS plugin to unwrap nested rules like how Sass does it

A pure JavaScript implementation of Sass.

A modern CSS parser and stringifier with TypeScript support

A simple utility for conditionally joining classNames together

ICSS utils for postcss ast

Merge longhand properties into shorthand with PostCSS.

Generate a hex color from the given text

Ensure CSS selectors are unique.

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

Optimise inline SVG with PostCSS.

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

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

Progress component

Merge Tailwind CSS classes without style conflicts

Discard duplicate rules in your CSS files with PostCSS.

Full CSS support for JSX without compromises

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

PostCSS plugin to reduce calc()

Color your terminal using CSS/hex color codes

Add necessary or remove extra charset with PostCSS

Discard comments in your CSS files with PostCSS.

Minify gradient parameters with PostCSS.

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

Detect/remove browser hacks from CSS files.

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

Trim whitespace inside and around CSS rules & declarations.

Solve CSS math expressions

Discard empty rules and values with PostCSS.

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

Minify colors in your CSS files with PostCSS.

Minify font declarations with PostCSS

Ensure values are ordered consistently in your CSS.

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

Just create a single stylesheet...

Tokenize CSS

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

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

Æsthetic ~ Language beautification support leveraging the Sparser lexing algorithm.

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

Parse CSS inline style to JavaScript object.

Determine selector specificity with postcss-selector-parser

Sorts CSS declarations fast and automatically in a certain order.

Normalize keyword values for position into length values.

Parse CSS color values

Color helpers to ease transformation between formats, gamut, etc

An inline style parser.

A spinning activity indicator

List of known CSS properties

Fault-tolerant CSS parser for PostCSS

hast utility to create an element from a simple CSS selector

Class Variance Authority 🧬

CSS minimizer (minifier) plugin for Webpack

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

Use Custom Media Queries in CSS

Use 4 & 8 character hex color notation in CSS

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

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.

Leaner CSS

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

Use Custom Selectors in CSS

Use the rebeccapurple color keyword in CSS

Use the :focus-visible pseudo-selector in CSS

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

Style elements relative to other elements in CSS

Use the :focus-within pseudo-selector in CSS

Style form elements when they are empty

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

Convert modern CSS into something browsers understand

Use Custom Properties Queries in CSS

Nest rules inside each other in CSS

A Less loader for webpack. Compiles Less to CSS.

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

Use the :any-link pseudo-class 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 unquoted format on @font-face CSS definitions.

Use the color() function in CSS

Use the ic length unit

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

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

Use double-position gradients in CSS

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

Parses CSS inline style to JavaScript object (camelCased).

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.

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

Enable support for case insensitive attribute matching in selectors

Use space and slash separated color notation in CSS

Use the :dir pseudo-class in CSS

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

Use light and dark color schemes in all browsers

Use the overflow shorthand in CSS

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

Parse CSS media query lists.

A CSS property value parser for use with PostCSS

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

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

Hyphenates a camelcased CSS property name

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

Correctly declare progressive enhancements for CSS Custom Properties.

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

Use hwb() color functions in CSS

SCSS parser for PostCSS

Use cascade layers in CSS

Use round, rem and mod functions in CSS

Use env() variables in CSS

PostCSS plugin to fallback initial keyword.

Use nested calc() expressions in CSS

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

List of standard and browser specific CSS functions.

CSS parser / stringifier

A port-in-progress of the Compass vertical rhythm library

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

css color parsing, manupulation and conversion

A collection of SCSS-specific rules for Stylelint

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

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

An `<sp-status-light>` is a great way to convey semantic meaning, such as statuses and categories. It provides visual indicators through colored dots accompanied by descriptive text.

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

Fast CSS Selectors API Engine

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

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

Search CSS(-like) strings

Replacing symbols during the linking phase of ICSS

A cross-browser CSS foundation

215 weather themed icons inspired by Font Awesome and ready for Bootstrap

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

Robust, expressive, and feature-rich CSS superset

antd Input component with password-strength indicator.

A lib for generating Style Sheets with JavaScript.

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

parse shorthand css font strings"

Smallest 5th gen CSS-in-JS library

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

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

Reduce CSS calc() function to the maximum

A minimal CSS module shim

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

Parse CSS Cascade Layer names.

JSS plugin for function value and rule syntax

Regex for RGB color strings.

Regex for matching HSL colors.

Indent-based CSS syntax for PostCSS

A linter for stylus

A collection of order related linting rules for Stylelint.

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

Resolve nested CSS selectors

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

CSS vendor prefix detection and property feature testing.

PostCSS plugin to use CSS Modules everywhere

Use logical values in the resize property

Use the color-mix function in CSS

Colors of Google's Material Design made available to coders

Decathlon Design System - Vitamin specific CSS styles for progressbar component

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

PostCSS syntax for parsing HTML (and HTML-like)

Gamut map css colors to fit display specific gamuts

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

Use logical overscroll behavior properties and values in CSS

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

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

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

Use logical overflow properties and values in CSS

Powerful and compliant CSS selector parser.

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

LESS parser for PostCSS

A Sass parser for PostCSS, using gonzales-pe.

Standalone CSS Selector Finder and Parser.

Storybook Themes addon: Switch between themes from the toolbar

CSS value parser

Use the gray() color function in CSS

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

A decent CSS parser

The Spectrum CSS Coach Indicator component

JavaScript image cropper.

Generate fallback values for content with alt text

PostCSS plugin to rebase or inline on url().

Use the random function in CSS

Merge keyframe and counter style identifiers.

Converts CSS values from one unit to another

CSS dictionary for cspell.

Inject style tag to document head.

Discard unused counter styles, keyframes and fonts.

Raw browser/feature support data from caniuse.com

Reduce z-index values with PostCSS.

Reduce custom identifiers with PostCSS.

PostCSS plugin for Sass-like variables

Plugin framework for CSS preprocessing

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

The Next Generation of CSS-in-JS.

A web component for radial progress bars that is almost entirely CSS based heavily on @andsens' Medium article https://medium.com/@andsens/radial-progress-indicator-using-css-a917b80c43f9

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

Use sign and abs functions in CSS

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.

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

Live CSS Reload & Browser Syncing

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

Color conversion and manipulation with CSS string support

Remove unused css selectors

A CSS3-compliant JavaScript selector engine.