[Bug 23457] New: Status of absolute positioning for elements with display table-cell


            Bug ID: 23457
           Summary: Status of absolute positioning for elements with
                    display table-cell
           Product: CSS
           Version: unspecified
          Hardware: PC
                OS: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Positioned Layout
          Assignee: dave.null@w3.org
          Reporter: karen.menezes@gmail.com
        QA Contact: public-css-bugzilla@w3.org

This is with reference to irregular behaviour in Firefox for elements with
display:table-cell, content:after, absolute positioning and background-image. I
had made a demo here:
http://karenmenezes.com/background-image-opacity/index.html and filed a bug in
Firefox here: https://bugzilla.mozilla.org/show_bug.cgi?id=924048
Apparently, this is a longstanding bug in some form or the other (see this one
https://bugzilla.mozilla.org/show_bug.cgi?id=63895), since the year 2000,
actually! The bug I filed was marked as duplicate and incorporated here. 

You can see the demo in Firefox and in IE and Chrome. The behaviour is
different in Firefox, with the background image being positioned to the
viewport according to its background size property.

In the bug that I had filed, they have mentioned "
It also involves getting the specification updated to actually cover this case;
right now per CSS the behavior in this situation is undefined."

Is this not covered in the specification? The strange behaviour on Firefox
seems to have really upset many people, since it's been a good 13 years since
the original bug was filed.

Perhaps one could tell us what the expected behaviour is, in such a use case.
Thank you very much.

You are receiving this mail because:
You are the QA Contact for the bug.

Received on Tuesday, 8 October 2013 04:29:25 UTC