SSealbook
Sealbook / Open source / CSS

Top CSS projects on GitHub

590 CSS repositories with 1,000+ stars, ranked by stars.

RepositoryStarsLanguageLicenseActivity
1animate-css/animate.css🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.★ 82.9kCSSOtherStale
2ryanoasis/nerd-fontsIconic font aggregator, collection, & patcher. 3,600+ icons, 50+ patched fonts: Hack, Source Code Pro, more. Glyph collections: Font Awesome★ 64.9kCSSOtherActive
3necolas/normalize.cssA modern alternative to CSS resets★ 53.5kCSSMITStale
4jgthms/bulmaModern CSS framework based on Flexbox★ 50kCSSMITActive
5isocpp/CppCoreGuidelinesThe C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++★ 45.4kCSSOtherActive
6bradtraversy/50projects50days50+ mini web projects using HTML, CSS & JS★ 40.6kCSSMITStale
7hehonghui/awesome-english-ebooks经济学人(含音频)、纽约客、卫报、连线、大西洋月刊等英语杂志免费下载,支持epub、mobi、pdf格式, 每周更新★ 38.2kCSS—Active
8FreeCodeCampChina/freecodecamp.cnFCC China open source codebase and curriculum. Learn to code and help nonprofits.★ 37.8kCSSOtherStale
9Nutlope/hallmarkAnti-AI-slop design skill for Claude Code, Cursor, and Codex.★ 30.3kCSSMITActive
10houshanren/hangzhou_house_knowledge2017年买房经历总结出来的买房购房知识分享给大家，希望对大家有所帮助。买房不易，且买且珍惜。Sharing the knowledge of buy an own house that according to the experience at hangzhou in 20★ 26.9kCSS—Stale
11adobe-fonts/source-code-proMonospaced font family for user interface and coding environments★ 20.5kCSSOFL-1.1Slowing
12uvdesk/community-skeletonUVdesk Open Source Community Helpdesk is a comprehensive ticketing support system designed for everyone, offering robust features to streaml★ 19.6kCSSOSL-3.0Active
13dhg/SkeletonSkeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development★ 19.3kCSSMITStale
14tobiasahlin/SpinKitA collection of loading indicators animated with CSS★ 19.3kCSSMITStale
15zhishile/codex-auth-helperCodex登陆助手：安全地在本地导出您的已登录 ChatGPT 会话配置，生成符合 Codex 规范的 auth.json 本地备份文件。★ 19.2kCSS—Slowing
16architecture-decision-record/architecture-decision-recordArchitecture decision record (ADR) examples for software planning, IT leadership, and template documentation★ 17.2kCSSOtherActive
17picocss/picoMinimal CSS Framework for semantic HTML★ 16.8kCSSMITArchived
18Chalarangelo/30-seconds-of-cssShort CSS code snippets for all your development needs★ 16kCSSCC-BY-4.0Archived
19CodeByZach/paceAutomatically add a progress bar to your site.★ 15.6kCSSMITStale
20twbs/ratchetBuild mobile apps with simple HTML, CSS, and JavaScript components. ★ 14.7kCSSMITStale
21chriskempson/tomorrow-themeTomorrow Theme★ 14kCSSOtherStale
22ConardLi/garden-skillsConardLi's open-source Skills collection, featuring web design, knowledge retrieval, image generation, and more.★ 13kCSSMITActive
23philipwalton/solved-by-flexboxA showcase of problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox.★ 12.9kCSSMITStale
24cocktailpeanut/dalaiThe simplest way to run LLaMA on your local machine★ 12.9kCSS—Stale
25devicons/deviconSet of icons representing programming languages, designing & development tools★ 11.8kCSSMITActive
26tachyons-css/tachyonsFunctional css for humans★ 11.7kCSSMITActive
27IBM/plexThe package of IBM’s typeface, IBM Plex.★ 11.7kCSSOFL-1.1Active
28jdan/98.cssA design system for building faithful recreations of old UIs★ 11.5kCSSMITStale
29picturepan2/spectreSpectre.css - A Lightweight, Responsive and Modern CSS Framework★ 11.3kCSSMITStale
30Automattic/_sInactive project – please visit https://themeshaper.com/block-themes/ to learn more about the future of WordPress themes with Block Themes.★ 11kCSSGPL-2.0Archived
31chokcoco/CSS-InspirationCSS Inspiration，在这里找到写 CSS 的灵感！★ 10.8kCSS—Stale
32h5bp/Effeckt.cssThis repo is archived. Thanks!★ 10.8kCSSMITArchived
33ConnorAtherton/loaders.cssDelightful, performance-focused pure css loading animations.★ 10.2kCSS—Stale
34thewhiteh4t/seekerAccurately Locate Smartphones using Social Engineering ★ 10.2kCSSMITSlowing
35connors/photonThe fastest way to build beautiful Electron apps using simple HTML and CSS★ 10.1kCSSMITSlowing
36OWASP/wstgThe Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.★ 10.1kCSSCC-BY-SA-4.0Active
37StylishThemes/GitHub-Dark:octocat: Dark GitHub style★ 10kCSSBSD-2-ClauseActive
38dunovank/jupyter-themesCustom Jupyter Notebook Themes★ 9.8kCSSMITStale
39spring-projects/spring-petclinicA sample Spring-based application★ 9.6kCSSApache-2.0Active
40troxler/awesome-css-frameworksList of awesome CSS frameworks in 2026★ 9.5kCSS—Slowing
41kmaasrud/awesome-obsidian🕶️ Awesome stuff for Obsidian★ 9.5kCSSCC0-1.0Stale
42mrmrs/colorsSmarter defaults for colors on the web.★ 9.4kCSSOtherStale
43vinceliuice/WhiteSur-gtk-themeMacOS like theme for all gtk based desktops★ 9.4kCSSMITActive
44codeguy/php-the-right-wayAn easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web★ 9.2kCSSOtherActive
45fgnass/spin.jsA spinning activity indicator★ 9.2kCSSMITStale
46scaffold-eth/scaffold-eth🏗 forkable Ethereum dev stack focused on fast product iterations ★ 9kCSSMITArchived
47sindresorhus/github-markdown-cssThe minimal amount of CSS to replicate the GitHub Markdown style★ 8.9kCSSMITActive
48ai/easings.netEasing Functions Cheat Sheet★ 8.7kCSSGPL-3.0Slowing
49kognise/water.cssA drop-in collection of CSS styles to make simple websites just a little nicer★ 8.7kCSSMITStale
50HubSpot/offlineAutomatically display online/offline indication to your users★ 8.6kCSSMITArchived