33 JS Concepts summarizes JavaScript concepts for developers, with examples and reference material.
CSS Reference
Popular CSS properties are explained in CSS Reference through illustrations and visual examples.

About CSS Reference
CSS Reference is a visual guide to CSS that explains properties with illustrated and animated examples. It lists properties grouped by area, such as flexbox, grid, animations, backgrounds, box model, typography, positioning, and transitions, and includes options to copy or share an individual property entry.
Key features
- Illustrated and animated examples for CSS properties
- Covers flexbox properties such as align-items and justify-content
- Covers grid properties such as grid-template and grid-area
- Covers animation properties such as animation-duration and timing-function
- Covers typography properties such as font-family and text-transform
- Copy link or share property via Twitter and Facebook
Best for: People learning CSS who want visual examples of how properties work.
Good for
- Uses illustrated and animated examples
- Groups properties by functional area such as flexbox and grid
- Allows copying or sharing individual property entries
CSS Reference at a glance
- Website
- cssreference.io
- Category
- Education & Learning › Learn to Code
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Open source
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