Re: [csswg-drafts] [selectors] Add `:top-layer` pseudo class (#7319)

> This is to prevent a random element outside the top layer with z-index: 999999 to appear above a `::backdrop`.

Right, or if you have nested popups/dialogs. The backdrop from the topmost dialog should be on top of the other (non-topmost) dialog.

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Received on Wednesday, 1 June 2022 20:23:27 UTC