CSS Only Infinite Carousel
A simple infinitely looping carousel built on top of plain HTML and CSS/CSS3.
CSS & CSS3
Pure CSS Responsive Modal Popup Library – modal.css
A lightweight library for creating responsive modal windows with fade-in animations using checkboxes, CSS flexbox, and CSS3 transitions.
Windows 7 CSS Framework – 7.css
A CSS only front-end framework that brings the retro Windows 7 styles to your webpage.
Full-featured CSS Utility Library – PrimeFlex
A lightweight, responsive, feature-rich, utility-first CSS framework for building modern websites.
Snow Falling Animation Using Only CSS
Yet another snow falling animation written entirely in CSS/CSS3. No image, canvas, and 3rd-party libraries are required.
Create Classic Mac OS Style Interfaces With The System.css Library
A CSS library for creating classic Apple Mac OS style interfaces through HTML and CSS markup.
Advanced Slider & Lightbox CSS Library – takefive.css
A powerful, extendable, and advanced slider/lightbox/gallery library written in pure CSS.
Modern Accessible CSS Reset – reset.css
A lightweight, modern, accessible CSS reset heavily based on the :where() CSS pseudo-class function.
Moder Pure CSS Tooltip Library – Cooltipz.css
Cooltipz.css is a lightweight, accessible, CSS only, configurable tooltip library for modern web UI/UX design.
Responsive Mobile-friendly CSS Reset – Marx.css
A modern, responsive, mobile-friendly, and zero-class CSS reset library that makes it easier to keep stylesheets clean/maintainable