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Stefan Judis @stefanjudis.com · 10/09/2026

The CSS working group came up with a new way to select prefixed classes. The Class Prefix Selector `.btn-*` matches `btn-primary`, `btn-secondary`, and whatever `btn-` class comes next. www.bram.us/2026...

Code: /* Matches `btn-primary`, `btn-secondary`, ... */ .btn-* { /* ... */ }

fry69 @fry69.dev · 10/09/2026

No support anywhere in any browser yet, but interesting 👍

# Browser Support

💡 Although this post was originally published in August 2026, the list below is constantly being updated. Last update: August 20, 2026.

Since this was literally just resolved at the CSSWG F2F in Berlin two weeks ago, browser support is currently non-existent. To follow along with the progress – if any – you can follow these browser issues:

Chromium (Blink)

❌ No Support

Subscribe to CrBug #550093337 to follow along.
Firefox (Gecko)

❌ No Support

There is no bug tracking this yet.
Safari (WebKit)

❌ No Support

There is no bug tracking this yet.

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