Simon Willison’s Weblog

So you think you know box shadows? (via) David Gerrells dives deep into CSS box shadows. How deep? Implementing a full ray tracer with them deep.

Posted 21st July 2024 at 4:23 pm

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Phoenix.new is Fly's entry into the prompt-driven app development space - 23rd June 2025
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The lethal trifecta for AI agents: private data, untrusted content, and external communication - 16th June 2025

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