
lit
World's smallest responsive CSS framework (398 bytes!)
lit launched on January 15, 2018 with 265 votes, #84 of 3,021 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
Lit is a CSS framework designed for web developers who need responsive design functionality with minimal file size. It provides grids, cards, tables, and typography styling in just 398 bytes when minified and gzipped. The framework is ideal for developers prioritizing lean code and fast page loads while still accessing standard layout and styling components.
written from the facts on this page · September 2026
From the sources
lit is the world's smallest responsive CSS framework. It includes grids, cards, tables, typography, and more... all in under 400 bytes (minified and gzipped)
lit has two modules: lit and util. Both of them are designed to be as small as possible, and easy to extend. lit contains all of the basics for a framework, such as a responsive grid, typography, and other elements. util has many CSS utility classes that can be used to extend lit, or any CSSfrom ajusa.github.io
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