Popover
Native [popover] element — no JavaScript required.
Example
Popover Content
This is a native popover element. Styled by FAP CSS with border, shadow, and backdrop.
<button popovertarget="my-popover">Toggle Popover</button>
<div id="my-popover" popover>
<h4>Popover Content</h4>
<p>Native popover — no JavaScript required.</p>
</div>