- From: Claude Pache via GitHub <sysbot+gh@w3.org>
- Date: Fri, 29 Oct 2021 11:12:17 +0000
- To: public-css-archive@w3.org
Gentle reminder that, beside making developer’s life more interesting, selector list invalidation <del>blunder</del> <ins>rule</ins> causes real breakage. [Recently read in a Stackoverflow comment](https://stackoverflow.com/questions/58818299/css-variables-not-working-in-dialogbackdrop#comment112148097_63322762), working around ::backdrop not inheriting from any element,
```css
:root, ::backdrop { --color-backdrop: red; }
```
and not realising that it breaks not only legacy browsers, but also latest (at time of writing) Safari, whoops.
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Received on Friday, 29 October 2021 11:12:19 UTC