A modern alternative to CSS resets

Modern CSS framework based on Flexbox

Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development

Short CSS code snippets for all your development needs

Automatically add a progress bar to your site.

Spectre.css - A Lightweight, Responsive and Modern CSS Framework

The minimal amount of CSS to replicate the GitHub Markdown style

Highly customizable checkboxes and radio buttons (jQuery & Zepto)

Smoothly transitions numbers with ease. #hubspot-open-source

A modern dialog library which is highly configurable and easy to style. #hubspot-open-source

Pure CSS phones and tablets

A brazen two-column theme for Jekyll.

Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

A minimal, responsive, style-agnostic CSS framework!

The Jekyll Butler. A no frills responsive Jekyll blog theme.

A Flexible, Responsive CSS Framework - Powered by Sass

Build sites fast from Markdown

A classic theme for Ghost

A simple and attractive code quality tool for CSS built on top of LESS

A powerful little tool for managing CSS animations

Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.

Drop-in script to make tables sortable

Word processor in your browser using HTML and CSS (for invoices, legal notices, etc.)

RTL Theme for Bootstrap v3.x

Sidetap is a simple framework that allows you to quickly build platform-independent mobile web interfaces.

progressbar interactions for twitter bootstrap 2 & 3

A css theme for reddit.com

Fully compatible and actively maintained successor to Pico CSS. Includes Float labels, Breakout layout and other modern helpers. Simply switch `pico.css` to `blades.css`, or use `blades.standalone.…

Create simple APIs from CSV files