Simon Willison’s Weblog

YUI CSS Grid builder (via) The YUI CSS grid system can be hard to get your head around. This interactive tool makes it much easier to figure out.

Posted 16th December 2006 at 10:30 pm

Recent articles

JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

css 230 javascript 727 yui 33

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