Simon Willison’s Weblog

24 ways: User Styling. The web geek advent calendar is up and running again this year, with a striking new design.

Posted 3rd December 2008 at 9:08 am

Recent articles

GPT-5: Key characteristics, pricing and model card - 7th August 2025
OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025

24-ways 13 css 229 design 80 jon-hicks 9 userstyles 1

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