<button popovertarget="popover1">Show Parent</button>
<div id="popover1" popover>
<p>This is Parent</p>
<button popovertarget="popover2">Show Child</button>
<div id="popover2" popover="hint">
<p>This is Child</p>
</div>
</div>
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.