CSS & Styling Packages
Styling utilities, CSS-in-JS, and class-composition helpers for building consistent, maintainable interface styling (Tailwind utilities, clsx, cva, Emotion).
Packages in CSS & Styling
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simplebar
A lightweight, dependency-free library for replacing native scrollbars with a custom CSS-styled one, without sacrificing native scroll performance.
Open Color
An open-source color scheme optimized for UI design, delivered as variables for CSS, Sass, and more.
Theme UI
Constraint-based design-graph framework for building themeable React UIs
prism-themes
A community-curated set of 30+ CSS themes for the Prism.js syntax highlighter, from Dracula to One Dark.
finder
Generates the shortest, unique, and robust CSS selector for any DOM element in just 1.5kb.
PyData Sphinx Theme
A clean, three-column, Bootstrap-based Sphinx theme for the PyData community.
color2k
A color parsing and manipulation library for JavaScript that ships in roughly 2kB, covering hex, RGB, HSL, and named CSS colors.
material-symbols
Variable Material Symbols icon fonts and CSS, auto-updated daily with the latest icons from Google.
esbuild-sass-plugin
An esbuild plugin that compiles Sass and SCSS to CSS with caching, source maps, and CSS Modules support.
Less.php
A pure-PHP port of the Less.js CSS preprocessor that compiles LESS into CSS.
style-to-object
Parses CSS inline style strings into plain JavaScript objects, powering markdown-to-jsx, react-markdown, and dozens of other rendering pipelines.
docusaurus-plugin-sass
Adds Sass and SCSS support to Docusaurus v2 and v3 sites via a drop-in webpack plugin.
Blueprint Colors
Official color constants and Sass variables powering Blueprint's design system, in modern and legacy palettes.
Primer CSS
GitHub's official Sass design system framework, providing utility classes and component styles for building GitHub-style interfaces.
Linaria
Zero-runtime CSS-in-JS — write styles in tagged template literals that compile away to static CSS files, shipping no styling runtime to the browser.
flowbite
An open-source library of interactive UI components built on top of Tailwind CSS, driven by HTML data attributes and a typed JavaScript API.
PurgeCSS
Remove unused CSS selectors to dramatically shrink your stylesheet size.
styled-jsx
Scoped, component-friendly CSS for JSX that compiles with Babel and injects styles at runtime without global leakage.
modern-normalize
A modern, minimal CSS reset that normalizes only the latest Chrome, Firefox, and Safari.
Elastic EUI
Elastic's open-source React UI framework powering Kibana, with 90+ typed components and Emotion-based theming.
Django Compressor
Combine, compile, and minify inline and linked JavaScript and CSS in Django templates into cacheable static files.
vue-color
A modern collection of accessible, tree-shakable color picker components for Vue.
PHP CSS Parser
A pure-PHP parser that turns CSS files into an editable object tree and back into optimized stylesheets.
django-tailwind
Adds Tailwind CSS v4 to any Django project with a single management command, no Node.js required in standalone mode.
