// Stefan Judis · 9 January 2026

Firefox DevTools hide unreferenced CSS variables (#note)

Here's a quick and handy addition to the Firefox DevTools. Whenever you debug CSS that's full of CSS variables, it becomes annoyingly hard to parse everything going on in the DevTools because the custom properties are cluttering :root or * or whatever. Firefox 145 (released Nov 11, 2025) now added a...

Stefan Judis

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www.stefanjudis.com

Stefan Judis@stefan-judis