Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

Best practices for modern web development

CoreUI is free bootstrap admin template

A minimalist CSS framework.

A set of over 550 free MIT-licensed high-quality SVG icons for you to use in your web projects.

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

Style your webpage like Edward Tufte’s handouts.

CSS for clean and fast web apps

CSS Reference: a free visual guide to the most popular CSS properties

Style tools for UI components

[Book] 2019 edition of our front-end development handbook

📘 Personal blog.

CSS only library to fill empty background with beautiful patterns.

👫 Social Sign-In Buttons for Bootstrap

📝 Frontend Tech List for Developers 💡

Pure text, CSS only, font independent, inline loading indicators

free flexbox templates built with the bulma css framework

A functional HTML/CSS/JS editor in less than 400 bytes

Simple and complete web UI framework to create web apps with Windows 8 Metro user interface, based on Bootstrap 2.

A CSS grid framework using Flexbox. Only 321 bytes (Gzipped).

An exceptionally fast, thorough and tiny unused-CSS cleaner

Ruby HTML and CSS sanitizer.

Kickstart is a CSS library designed for modularity and fast page performance

LaTeX.css is a CSS library that makes your website look like a LaTeX document

⚡️🎨 A starting point for crafting living style guides.

☝️One <div>. Many possibilities.

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EQCSS is a CSS Reprocessor that introduces Element Queries, Scoped CSS, a Parent selector, and responsive JavaScript to all browsers IE8 and up

Pushy is a responsive off-canvas navigation menu using CSS transforms & transitions.

Add a dash of pre-defined style to your Bourbon.