Documentation · ESSENTIAL
MDN CSS reference
A comprehensive reference for CSS properties, selectors, layout, functions and modern styling features.
developer.mozilla.org THE WEB, WELL BOOKMARKED
Fill your creative toolkit.
98 references, libraries and tools for designing, building and testing the web.
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CSS tools
Open Props
A library of useful CSS custom properties for exploring a consistent visual system.
open-props.styleAnimation
AnimXYZ
Compose CSS animations with reusable utilities and custom properties, with examples for HTML and frontend frameworks.
animxyz.com