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
Kind
Sort:Used by Most Apps
postcss-import
A PostCSS plugin that inlines @import rules, merging split CSS files into one stylesheet before other plugins run.
styled-components
Write actual CSS in your React components and let styled-components scope, inject, and dedupe it at runtime.
color
Immutable JavaScript color conversion and manipulation with CSS string support
Bootstrap
The world's most popular front-end framework for building responsive, mobile-first sites
Ant Design
An enterprise-class React UI library with 80+ high-quality, TypeScript-typed components and powerful theming.
cssnano
A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.
Tailwind CSS Container Queries
An official Tailwind CSS plugin that adds container-query utilities (@container, @lg, @xl, etc.) for Tailwind CSS v3.2+
tinycolor2
Fast, dependency-free color parsing, conversion, and manipulation for JavaScript
tailwind-variants
Typed Tailwind CSS variant API with slots, compound variants, and built-in class-conflict resolution
lipgloss
Lipgloss brings a CSS-like, declarative styling API to Go terminal apps, covering colors, borders, layout, and compositing for building polished TUIs.
CSSType
Strict TypeScript and Flow type definitions for CSS properties and values, generated from MDN data
postcss-simple-vars
A PostCSS plugin that brings Sass-like $variables to CSS values, selectors, at-rules, and comments.
css-minimizer-webpack-plugin
A Webpack plugin that minifies CSS build output via cssnano by default, with swappable csso, clean-css, esbuild, and Lightning CSS backends.
colord
A tiny, dependency-free TypeScript library for parsing, converting, and manipulating colors in any format.
daisyui
Semantic component classes and built-in themes for Tailwind CSS, so buttons, forms, and modals no longer need a wall of utility classes.
normalize.css
A modern, small CSS file that makes browsers render elements consistently and in line with modern standards
eslint-plugin-tailwindcss
ESLint rules that keep Tailwind CSS classnames consistent, valid, and free of contradictions.
polished
A lightweight, curried toolset of Sass-style color, layout, and math helpers for writing styles in JavaScript.
postcss-flexbugs-fixes
A PostCSS plugin that automatically fixes common cross-browser Flexbox layout bugs.
chakra-ui
Accessible, themeable React UI components built on Ark UI primitives with a Panda CSS-powered styling engine.
flag-icons
A curated collection of every country flag as an SVG, distributed as a ready-to-use CSS icon library.
tailwindcss-aspect-ratio
A Tailwind CSS plugin that adds composable aspect-w/aspect-h utility classes for locking element aspect ratios.
Ant Design Colors
Generate full 10-step color palettes from a single base color, the algorithm behind Ant Design's theme system
Ant Design CSS-in-JS
The component-level CSS-in-JS engine that powers Ant Design's design-token theming and SSR style extraction
