> Should shadow tree inherit custom environment variables from host? Probably no? Why not? If not, would it mean that in order to use a document level custom env variable inside a shadow tree, I would need to define a new custom property inside the shadow tree and use the env variable value for it? For example: ```html <custom-element> # shadow-root <div class="inner-part"></div> <style> :host { --inner-part-prop: env(global-var); } .inner-part { property: var(--inner-part-prop); } </style> </custom-element> ``` > Should we allow host to set custom environment variables of shadow tree? Maybe useful? And this would then mean that I could replace `--inner-part-prop` with a new custom env variable which is scoped to that shadow tree, right? In any case, I think it should somehow be possible to utilize document level custom env variables in shadow trees. I think theming is one candidate use case at least. -- GitHub Notification of comment by jouni Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/2765#issuecomment-447263010 using your GitHub accountReceived on Friday, 14 December 2018 09:11:15 UTC
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