Simon Willison’s Weblog

16th December 2006 - Link Blog

RoundedCornr. Generates code for rounded corner boxes (with optional graded fills—very Web 2.0). Slightly different way of nesting divs to the way I’ve used in the past.

Posted 16th December 2006 at 11:49 pm

Recent articles

One-shotting a Raccoon Heist game using Claude Fable 5 - 5th August 2026
New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026

This is a link post by Simon Willison, posted on 16th December 2006.

css 237 gradients 1 roundedcorners 1

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe