Bugsnag's CSS Architecture
by Max Luster
Reset.css
CSS Tools: Reset CSS.
Unstyle.css
Specialised stylesheet for removing user agent styles, style the web with your baseline.
Sanitize.css
A set of CSS rules that style with today’s best practices out-of-the-box.
MiniReset.css
A tiny modern CSS reset.
Normalize-OpenType
Adds OpenType features—ligatures, kerning, and more—to Normalize.css.
Normalize
A set of CSS rules that provide better cross-browser consistency in the default styling of HTML elements.
ITCSS
A sane, scalable, managed CSS architecture for large UI projects.
RSCSS
Reasonable Standard for CSS Stylesheet Structure.
Susy
Responsive layout toolkit for Sass.
Bourbon
A simple and lightweight mixin library for Sass.
Wing
A Minimal, Lightweight, Responsive framework.
Unsemantic
Fluid grid for mobile, tablet, and desktop.
UIkit
A lightweight and modular front-end framework.
Tailwindcss
A utility-first CSS framework for rapid UI development.
Tacit
CSS framework for dummies with zero skills in graphic design.
Tachyons
Functional CSS for humans.
Strawberry
A set of common flexbox utilities focused on making your life easier and faster with nested flexboxes.
Spectre.css
A lightweight, responsive and modern CSS framework.
Shorthand Framework
Feature rich CSS framework for the new decade.
Semantic UI
Powerful framework that uses human-friendly HTML.
Pure.css
A set of small, responsive CSS modules that you can use in every web project.
Numl
An HTML-based language and design system that lets you create responsive and accessible high-quality web interfaces with any look.
Milligram
A minimalist CSS framework.
Materialize
A modern responsive front-end framework based on Material Design.
Material-components-web
Modular and customizable Material Design UI components for the web.
Inuit.css
Powerful, scalable, Sass-based, BEM, OOCSS framework.
Hasser CSS
A lightweight (12k, not minified) but useful CSS framework with flexible Grid, Hero and more.
Halfmoon
A responsive front-end framework with a built-in dark mode.
Gralig
A modest, grayish CSS library.
Foundation
advanced responsive front-end framework.
EFrolic
CSS framework which without using JavaScript is interactive and animated.
Cirrus
A fully responsive and comprehensive CSS framework with beautiful controls and simplistic structure.
Chota
A responsive, customizable micro-framework (3kb) with helpful utilities and a grid system.
Butter Cake
A Modern Lightweight Front End CSS framework for faster and easier web development.
Bulma
A modern CSS framework based on Flexbox. Also has Sass import for modification.
Bootstrap
The most popular HTML, CSS, and JS framework.
Bonsai
A complete Utility First CSS Framework for less than 50kb.
Awsm.css
Simple CSS library for semantic HTML markup.
Stylus
Expressive, robust, feature-rich CSS language built for NodeJs.
STYLIS
Light-weight CSS preprocessor.
Sass
Mature, stable, and powerful professional-grade CSS extension language.
LESS
Backwards compatible with CSS, and the extra features it adds use existing CSS syntax.
Stylecow
Modern CSS for all browsers.
Rework
Plugin framework for CSS preprocessing in Node.js.
PostCSS
Transforming styles with JS plugins.
ParserLib
CSSLint/parser-lib.
Mensch
A decent CSS parser.
Gonzales PE
CSS parser with support for preprocessors.
CSSTree
Detailed CSS parser with syntax validator.
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