Any plans to integrate CSS Cascade layers?

dev
1

CSS recently introduced the ability to define your own cascade layers, and it seems like it is gaining browser support. Hopefully will be available in all major browsers soon.

References:
https://developer.mozilla.org/en-US/docs/Web/CSS/@layer
https://css-tricks.com/css-cascade-layers/
https://www.youtube.com/watch?v=NDNRGW-_1EE

Was curious to know whether this is being discussed to include in Discourse’s codebase?

I think it could be a great addition and could help with specificity difficulties and can also help us avoid using the !important flag.

Perhaps a set of layers could be defined in the main codebase. Perhaps something like:

@layer base, layout, theme, utilities;

and theme developers can leverage the “theme” layer to easily add customizations without having to be so specific with selectors or use !important flags.

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2

This does seem like it would be useful, but we really have to wait for more established browser support (especially because I don’t think this has a reasonable fallback?). Most browsers have only added this in the past month… so I can’t imagine implementing it for at least another year.

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