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Re: [compositing] background-blend-mode on the root element

From: Rik Cabanier <cabanier@gmail.com>
Date: Thu, 26 Jun 2014 14:37:33 -0700
Message-ID: <CAGN7qDD9e288kgH9aHFcAftM7wiZaYYJ9TyM0aibKdsWhPpJfQ@mail.gmail.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: www-style list <www-style@w3.org>, "public-fx@w3.org" <public-fx@w3.org>, Ion Rosca <rosca@adobe.com>
On Thu, Jun 26, 2014 at 2:11 PM, Tab Atkins Jr. <jackalmage@gmail.com>
wrote:

> On Thu, Jun 19, 2014 at 7:40 PM, Rik Cabanier <cabanier@gmail.com> wrote:
> > My question is, should we keep it as specified and make a note in the
> spec
> > that the root element behaves differently, or should we fix the
> > implementation so background images blend on a transparent backdrop
> followed
> > by matting and clarify the paint order in css colors?
>
> Per WG resolution, I've edited CSS Color with your second suggestion.
> Previously, the spec recommended that UA use "html { color: black;
> background: white; }"; I've now added a *requirement* that the root
> element have a transparent background by default, and a recommendation
> that the canvas's default color be white.
>

Thanks!
We'll update the various browsers so background-blend-mode follows that
spec [1]

1: http://dev.w3.org/csswg/css-color/#sample
Received on Thursday, 26 June 2014 21:38:02 UTC

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