# Modern CSS Code Snippets

8 Hacker News commenters recommended Modern CSS Code Snippets and 11 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Recommended as a bookmarkable CSS reference organized by problem, with browser support tables. Critics say its browser support labels are often wrong, especially for Firefox.

## Why people recommend it

- Useful reference for modern CSS (3 comments): "This is a nice reference, and some properties like `scrollbar-gutter` can be used for progressive enhancement." ([source](https://news.ycombinator.com/item?id=47037393)) "Love this website. Definitely bookmarking for future reference." ([source](https://news.ycombinator.com/item?id=47040215)) "One of the best educational resources for modern CSS." ([source](https://news.ycombinator.com/item?id=47033466))

## What people warn about

- Browser support labels are wrong (5 comments): "This website says certain features work on firefox. But they don't." ([source](https://news.ycombinator.com/item?id=47044099)) "when I follow your link it says "limited availability"" ([source](https://news.ycombinator.com/item?id=47038687)) "it’s wrongly calling sibling-index() widely available" ([source](https://news.ycombinator.com/item?id=47027453))
- Demos fail in Firefox (2 comments): "The drop cap example is also broken for me on the latest Firefox version." ([source](https://news.ycombinator.com/item?id=47033299)) "I tested the demo and it's definitely not working in my copy of Firefox." ([source](https://news.ycombinator.com/item?id=47033918))
- Features unsupported in Firefox and Safari (2 comments): "So I suppose it's not "modern CSS", but more like "latest Chrome CSS"." ([source](https://news.ycombinator.com/item?id=47028709)) "it is still unsupported in most recent Firefox and Safari" ([source](https://news.ycombinator.com/item?id=47037469))

## Alternatives hackers recommend

- [Sheldon Brown's Bicycle Technical Info](https://hackerapproved.com/p/sheldon-brown-s-bicycle-technical-info.md): 49 recommend
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- [OEIS](https://hackerapproved.com/p/oeis.md): 9 recommend
- [RF Cafe](https://hackerapproved.com/p/rf-cafe.md): 9 recommend

## Cite as

Hacker Approved, "Modern CSS Code Snippets", https://hackerapproved.com/p/modern-css-code-snippets/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).
