[Webkit-unassigned] [Bug 134342] New: [CSS Blending]The background images set on the root element will blend on an initial white backdrop.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=134342

           Summary: [CSS Blending]The background images set on the root
                    element will blend on an initial white backdrop.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rosca at adobe.com
                CC: WebkitBugTracker at adobe.com


The background images set on the root element will blend with an initial white backdrop. Instead, they should blend with the background-color of the root element, or, if no background-color is specified for the root element, background images should blend over an initial transparent backdrop.

The spec states: 
Each background layer must blend with the element’s background layer that is below it and the element’s background color. Background layers must not blend with the content that is behind the element, instead they must act as if they are rendered into an isolated group.

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