Popover
A popover that can be used to show rich content or obtain information from a user.
See the WAI ARIA guidelines for Dialogs.
Structure
<Popover>
<PopoverOverlay /> (optional, if modal)
<PopoverTrigger/PopoverTriggerContextual/PopoverTriggerHover /> (optional)
<PopoverContent/PopoverContentAnchored/PopoverContentContextual />
</Popover>