#UI框架#最受欢迎的HTML、CSS、JavaScript网页前端框架。

#动画#一个使用CSS3的animation制作的动画效果的CSS工具库

前端开发HTML模板

normalize.css 标准化各种元素样式，覆盖部分浏览器默认CSS样式，保留了有用的一部分。并保证了不同浏览器之前的一致性

#React UI#流行，免费的Tailwind CSS 组件

The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

Hover.css 是一个hover悬停的css动画效果库，可用在超链接、button、logo、SVG、img等元素上。

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

A modified web browser that helps in responsive web development. A web developer's must have dev-tool.

A set of free MIT-licensed high-quality SVG icons for UI development.

A set of over 5800 free MIT-licensed high-quality SVG icons for you to use in your web projects.

Premium hand-crafted icons built by Ionic, for Ionic apps and web apps everywhere 🌎

Flat UI Free - Design Framework (html/css3/less/js). Flat UI is based on Bootstrap, a comfortable, responsive, and functional framework that simplifies the development of websites.

Build mobile apps with simple HTML, CSS, and JavaScript components.

🎏 A curated collection of all country flags in SVG — plus the CSS for easier integration

The fastest way to build beautiful Electron apps using simple HTML and CSS

Smarter defaults for colors on the web.

Bootstrap 官方 SVG 图标库

Low-level CSS Toolkit – the original Functional/Utility/Atomic CSS library

CSS custom properties to help accelerate adaptive and consistent design.

All the patterns

The 960 Grid System is an effort to streamline web development workflow.