Simon Willison’s Weblog

Em Calculator. Tool for working out CSS relative em values, useful for creating completely resizable layouts.

Posted 6th February 2007 at 2:03 pm

Recent articles

Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026
Deep Blue - 15th February 2026
The evolution of OpenAI's mission statement - 13th February 2026

css 233 ems 2 layout 2

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