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

Fast CSS Selectors API Engine

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

An `<sp-progress-bar>` is used to visually show the progression of a system operation such as downloading, uploading, processing, etc. By default, progress bars have a blue fill that shows the progress.

`<sp-top-nav>` delivers site navigation, particularly for when that navigation will change the majority of the page's content and/or the page's URL when selected. All primary elements of an `<sp-top-nav>` should be directly accessible in the tab order, ty

Indicator of progress through a multitude of pages mostly used for forms.

Æsthetic ~ Language beautification support leveraging the Sparser lexing algorithm.

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

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

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.

Progress bar component pack for Seed

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

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

Color conversion and manipulation with CSS string support

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

css loader module for webpack

A react component toolset for managing animations

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

ICSS utils for postcss ast

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

A well-tested CSS minifier

Tokenize CSS

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

PostCSS loader for webpack

tiny modular DOM lib for ie9+

PostCSS plugin to unwrap nested rules like how Sass does it

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

CSS minifier with structural optimisations

A CSS Modules transform to make local scope the default

Just create a single stylesheet...

extracts CSS into separate files

PostCSS plugin to reduce calc()

Discard duplicate rules in your CSS files with PostCSS.

Solve CSS math expressions

A pure JavaScript implementation of Sass.

Add necessary or remove extra charset with PostCSS

Merge Tailwind CSS classes without style conflicts

PostCSS plugin to import CSS files

Trim whitespace inside and around CSS rules & declarations.

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

Detect/remove browser hacks from CSS files.

Generate a hex color from the given text

A modern CSS parser and stringifier with TypeScript support

Minify selectors with PostCSS.

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

Ensure CSS selectors are unique.

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

Merge CSS rules with PostCSS.

Normalize URLs with PostCSS

Merge longhand properties into shorthand with PostCSS.

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

Optimise inline SVG with PostCSS.

Minify at-rule params with PostCSS

A simple utility for conditionally joining classNames together

Normalize keyword values for position into length values.

Sorts CSS declarations fast and automatically in a certain order.

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

Color helpers to ease transformation between formats, gamut, etc

Parse CSS color values

Color your terminal using CSS/hex color codes

Minify gradient parameters with PostCSS.

Discard comments in your CSS files with PostCSS.

A spinning activity indicator

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

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

Full CSS support for JSX without compromises

PostCSS plugin for making calculations with math.js

An inline style parser.

Normalize wrapping quotes for CSS string literals.

Discard empty rules and values with PostCSS.

Minify colors in your CSS files with PostCSS.

Minify font declarations with PostCSS

Parse CSS inline style to JavaScript object.

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

Ensure values are ordered consistently in your CSS.

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

The `opacity-checkerboard` class provides a CSS utility that displays a checkerboard pattern background, commonly used to highlight transparent or semi-transparent areas in UI components. This visual indicator helps users distinguish between transparent a

Class Variance Authority 🧬

hast utility to create an element from a simple CSS selector

Parses CSS inline style to JavaScript object (camelCased).

List of known CSS properties

Determine selector specificity with postcss-selector-parser

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

A list of all CSS color keywords.

Fault-tolerant CSS parser for PostCSS

Nest rules inside each other in CSS

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

Leaner CSS

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

CSS minimizer (minifier) plugin for Webpack

A Less loader for webpack. Compiles Less to CSS.

Use the :focus-visible pseudo-selector in CSS

Use Custom Media Queries in CSS

Hyphenates a camelcased CSS property name

Style elements relative to other elements in CSS

Enable support for case insensitive attribute matching in selectors

Use space and slash separated color notation in CSS

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

Use 4 & 8 character hex color notation in CSS

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

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

Use the :dir pseudo-class in CSS

Use the overflow shorthand in CSS

Use light and dark color schemes in all browsers

Use logical properties and values in CSS

The `<sp-tabs>` displays a list of `<sp-tab>` element children as `role="tablist"`. An `<sp-tab>` element is associated with a sibling `<sp-tab-panel>` element via their `value` attribute. When an `<sp-tab>` element is `selected`, the associated `<sp-tab-

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 Custom Properties Queries in CSS

Use the :focus-within pseudo-selector in CSS

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

Style form elements when they are empty

A Tailwind CSS plugin for creating beautiful animations.

A CSS property value parser for use with PostCSS

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

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

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

Use double-position gradients in CSS

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.

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

Convert modern CSS into something browsers understand

Use unquoted format on @font-face CSS definitions.

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

Use the color() function in CSS

PostCSS plugin to fallback initial keyword.

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

A pseudo-class for matching elements in a selector list

Use the ic length unit

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

Use the :any-link pseudo-class in CSS

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

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

SCSS parser for PostCSS

Correctly declare progressive enhancements for CSS Custom Properties.

CSS syntax patches for CSS tree

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

Parse CSS media query lists.

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

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

Progress component

List of standard and browser specific CSS functions.

Use hwb() color functions in CSS

A collection of SCSS-specific rules for Stylelint

Use cascade layers in CSS

CSS parser / stringifier

Use round, rem and mod functions in CSS

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

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

css color parsing, manupulation and conversion

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

Use nested calc() expressions in CSS

The Next Generation of CSS-in-JS.

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

Useful utility functions for CSS in JS solutions

Replacing symbols during the linking phase of ICSS

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

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

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

A minimal CSS module shim

A cross-browser CSS foundation

The Spectrum CSS Coach Indicator component

Use env() variables in CSS

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.

Search CSS(-like) strings

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

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

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

A best-practices CSS foundation

Regex for matching HSLA colors.

Regex for matching RGBA color strings.

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

List of vendor prefixes known to the web platform

Smallest 5th gen CSS-in-JS library

StringTune is a cutting-edge JavaScript library designed to deliver high-performance, modular web effects. Whether you're looking to add smooth parallax scrolling, dynamic cursor interactions, progress tracking, or autoplay videos, StringTune empowers dev

Robust, expressive, and feature-rich CSS superset

Indent-based CSS syntax for PostCSS

PostCSS plugin to use CSS Modules everywhere

Regex for RGB color strings.

Regex for matching HSL colors.

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

JSS plugin for function value and rule syntax

A lib for generating Style Sheets with JavaScript.

Colors of Google's Material Design made available to coders

Reduce CSS calc() function to the maximum

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

Parse CSS Cascade Layer names.

parse shorthand css font strings"

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

A collection of order related linting rules for Stylelint.

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

Resolve nested CSS selectors

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

Powerful and compliant CSS selector parser.

Use logical values in the resize property

antd Input component with password-strength indicator.

CSS vendor prefix detection and property feature testing.

PostCSS syntax for parsing HTML (and HTML-like)

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

Use the color-mix function in CSS

Gamut map css colors to fit display specific gamuts

Use the gray() color function in CSS

Use interpolation methods in CSS gradient functions

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

Use logical overscroll behavior properties and values in CSS

Generate fallback values for content with alt text

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

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

Use vb and vi length units in CSS

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

A linter for stylus

LESS parser for PostCSS

Use logical overflow properties and values in CSS

Storybook Themes addon: Switch between themes from the toolbar

CSS value parser

Inject style tag to document head.

Standalone CSS Selector Finder and Parser.

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

A Sass parser for PostCSS, using gonzales-pe.

Web component implementation of a Spectrum design ColorField

A decent CSS parser

Plugin framework for CSS preprocessing

Rework declaration visitor utility

CSS dictionary for cspell.

Use the random function in CSS

Merge keyframe and counter style identifiers.

JavaScript image cropper.

Remove unused css selectors

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

Raw browser/feature support data from caniuse.com

PostCSS plugin for Sass-like variables

Discard unused counter styles, keyframes and fonts.

Use sign and abs functions in CSS

Media queries in react for responsive design

Reduce z-index values with PostCSS.

Reduce custom identifiers with PostCSS.

PostCSS plugin to rebase or inline on url().

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

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

CSS parser

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

Converts CSS values from one unit to another

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