Frameworks smaller than ~10KB.
Almond.CSS is a collection of class-less CSS styles to make simple websites look better. Almond.CSS helps in two ways: it normalizes the CSS styles to provide similar experience cross-browser, and it spices things a little by adding custom styles (that can be personalized!)
A classless CSS library which adds nice default style for all HTML elements. It saves you a lot of time when you need to style HTML for your HTML/React/Vue demo on CodePen/CodeSandbox. It can also be used as a base style for your blog/website.
Blaze is an open source modular toolkit. It provides great structure for building websites quickly with a scalable and maintainable foundation. Blaze fills the gap between monolithic frameworks like Bootstrap, UIKit and Semantic, and "micro" ones such as Skeleton, Milligram and Min. It all depends on your situation and what problem you're trying to solve but we think Blaze can provide you with the best of both worlds.
Basic styles for HTML Elements. Providing a mostly-reasonable set of styles without classes. Use it for simple static sites or as a starting point and add your own classes. This is not a complete solution with layout grids, components, utility classes, and the like.
A really small CSS framework. Super light-weight. Just 3kb (minified + gzipped). Chota is dead simple to use. It doesn't require learning a lot of class names like other frameworks. It applies a few basic styles to the HTML following the HTML Semantics.
Ellegant is a CSS framework that aims to provide user interaction with very little or no Javascript at all. With inputs and labels, Ellegant targets elements providing a fast and clean user experience even on low-end mobile devices.
Baseline atomic CSS toolkit. Fractures helps you bootstrap design-systems and prototypes by providing a set of non-blocking, atomic, utility classes.
A forward-thinking, CSS micro-framework. Furtive is truly mobile-first and nearly all dimensions are done in rem. It also has a small footprint, cutting down on the bandwidth necessary for downloading CSS. Furtive is intended to be just that, furtive. It's the perfect starting point to get your project up and running.
A simple CSS foundation with responsive typography and input styling, built with PostCSS.
ilus is simply a CSS framework to use on your webpage to make it look good. ilus itself is enough to make your basic html site look 10,000 times better.
Simplicity done right. The CSS framework built for any kind of task.
World's smallest responsive css framework* (398 bytes gzipped and minified). This is the result of me playing css "code golf" with Skeleton. As such, this framework strives to maintain all of the features that Skeleton and other similar frameworks offer, while working on older browsers as well.
A minimalist CSS framework. Its goal is to provide a lightweight solution that can be easily implemented in any development context.
minstyle.io is a simple and light open source CSS framework. It integrates a set of pre-designed HTML elements, allowing the rapid and simple development of interfaces for all devices.
missing.css is the CSS library we wished already existed. Add it to your website:
Lightweight and beautiful library. Unpack your meal and get coding. An invasive CSS library to get your style started.
Graceful & Minimal CSS design system in pure semantic HTML. Elegant styles for all natives HTML elements without .classes and dark mode automatically enabled.
A minimal classless css framework / theme.
A flat, minimal and different CSS framework. siimple is a light, responsive and open source framework for design flat and clean websites. It has been built in SASS/SCSS and provides a clean starting point for your web design.
Modified Spectre.css - a lightweight, responsive, and modern CSS framework originally designed by Yan Zhu.
CSS framework for dummies, without classes. Tacit is a primitive CSS framework for dummies, like myself, who don't know anything about graphic design but want their web services to look eatable. No classes, no layouts. Just design plain and simple web pages compliant with HTML5 and they will look OK.
A modern and minimal CSS framework for terminal lovers. Terminal CSS has no overhead and is lightweight (~ 3k gzip). The source is written in pure css to be accessible for everybody and easy to contribute.
Uimini modern and lightweight CSS framework.