Simon Willison’s Weblog

The CSS working group is irrelevant. “Someone really needs to do to CSS what the WHATWG has been doing to HTML”.

Posted 6th June 2007 at 10:10 am

Recent articles

Designing agentic loops - 30th September 2025
Claude Sonnet 4.5 is probably the "best coding model in the world" (at least for now) - 29th September 2025
I think "agent" may finally have a widely enough agreed upon definition to be useful jargon now - 18th September 2025

css 229 hixie 11 ian-hickson 22 stardands 1 w3c 22 whatwg 16

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