Re: [fxtf-drafts] [filter-effects-1] What is the visual effect of filter() on the document element?

Proposal: specify in terms of:
Bottom UA-controlled layer which is never affected by CSS.
Intermediate layer which receives the color propagated from the html or body
Filters can affect the intermediate layer, never the bottom layer.

In this model, filters only affect the page background if it's set by the author.

Alternatively, if we specify that the intermediate layer by default has the same color as the bottom layer, then the UA-default background would get affected by filters.

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Received on Wednesday, 13 June 2018 16:41:02 UTC