<button popovertarget="pacman">Open Popover</button>

<!-- popover = auto (or none), hint, or manual -->
<div id="pacman" popover="auto">
  <div>
    <img src="/assets/img/pacman.svg" alt="Pac-Man" />
    <p>
      The original Pac-Man game is astonishingly compact, 
      with a total file size of under 24 kilobytes.
    </p>
  </div>
</div>
  

Open Popover

The original Pac-Man game is astonishingly compact, with a total file size of under 24 kilobytes.