[css-overscroll] Whether to move position:fixed elements during overscrolling

[mozilla-apprentice]

Resolutions were made for csswg-drafts/#6299.

[css-overscroll] Whether to move position:fixed elements during overscrolling

• RESOLVED: fixed-position elements whose scroller is not their containing block do not participate in overscroll
• RESOLVED: the former statement also applies to sticky element when stuck

Discussion.

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To file a bug automatically for these resolutions, add the bug label to the issue.

If no bug is needed, the issue can be closed.

[dholbert]

@hiikezoe would know for sure I think, but I suspect we need a bug here. (Based on the csswg issue, it looks like we'll need to [partially?] revert https://bugzilla.mozilla.org/show_bug.cgi?id=1704503 )

[mozilla-apprentice]

https://bugzilla.mozilla.org/show_bug.cgi?id=1761049

[theres-waldo]

@hiikezoe would know for sure I think, but I suspect we need a bug here. (Based on the csswg issue, it looks like we'll need to [partially?] revert https://bugzilla.mozilla.org/show_bug.cgi?id=1704503 )

I filed https://bugzilla.mozilla.org/show_bug.cgi?id=1760368 for this a few days ago