Re: [whatwg/fullscreen] Impossible to customize the style of a dialog's ::backdrop residing inside a Shadow DOM. (#124)

> Is that the reason for the current behavior?

Yes. CSS variables are propagated via inheritance into descendants, so if a pseudo-element doesn't inherit from anything, CSS variables which are not defined for the pseudo-element directly would have no effect on the pseudo-element.

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Received on Saturday, 31 March 2018 00:55:33 UTC