Simon Willison’s Weblog

CSSEdit 2.5 Out Now! (via) Like John Gruber says, this is the best implementation of application tabs I’ve ever seen.

Posted 23rd April 2007 at 8:26 pm

Recent articles

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

cssedit 2 john-gruber 37 tabs 2 ui 26

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