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

The last six months in LLMs, illustrated by pelicans on bicycles - 6th June 2025
Tips on prompting ChatGPT for UK technology secretary Peter Kyle - 3rd June 2025
How often do LLMs snitch? Recreating Theo's SnitchBench with LLM - 31st May 2025

css 208 layout 2 ems 2

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