I learned about the :not CSS pseudo-class recently as an approach to omit a CSS rule and decided to write a blog post to about it. It looks like it's still in its early days in terms of widespread browser support for the more powerful features, but even the simple use case can be incredibly useful in the right context.

https://www.ericapisani.dev/posts/omitting-css-rules-using-the-not-css-selector/