Top layer troubles: popover vs dialog
Why toast popovers can float above dialogs yet stay unreachable, and how to fix the top-layer trap.
Popover news
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Dialog and popover: layered UI patterns
Built-in layered UI with focus, top layer, and animations handled for you.
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HTML
popoverattribute in practiceCovers implicit anchors, auto vs manual vs hint modes, and JS control for accessible popovers.
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Nine new modules in Learn CSS
Learn CSS course updated with nesting, container queries, anchor positioning, and more.