[Webkit-unassigned] [Bug 16130] New: z-index applies to non-positioned elements with opacity

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=16130

           Summary: z-index applies to non-positioned elements with opacity
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: info at satzansatz.de


opacity < 1.0 forms a stacking context. But should z-index apply to an element
that is not positioned? 

In the test case, opacity:0.66 and z-index:2 let a red box paint above a
following blue box that has opacity:0.90 set. Not in Firefox 2.0.0.9.


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