Re: [csswg-drafts] [css-viewport-1] Specify relationship between zoom and font properties (#12358)

> > This is basically a less general issue of [w3c/css-houdini-drafts#1080](https://github.com/w3c/css-houdini-drafts/issues/1080) right?
> 
> I don't think it's circular in this case. The computed style (as observed by the developer via `getComputedStyle`) is not affected by zoom. They can think entirely in terms of pre-zoomed CSS pixels in their style sheets. Zoom applies on top.
> 
> Therefore `zoom` won't affect the computed value of `font-size` and there is no circularity.
> 
> So I think in this case it should use the current element's font, if that is what is done for other properties that put `em` in calc expressions.

As I mentioned, font selection is affected by zoom, which means it may be observable for `ex`. Then you have a circularity.


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Received on Thursday, 19 June 2025 21:35:53 UTC