Overview

This is an additional option that extends Bootstrap Popover.

Basic

Use the data-bs-toggle="popover" HTML attribute to initialize the popover. 
          <button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-placement="top" title="Popover on top" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on top
</button>
<button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-placement="right" title="Popover on right" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on right
</button>
<button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-placement="bottom" title="Popover on bottom" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on bottom
</button>
<button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-placement="left" title="Popover on left" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on left
</button>
<button type="button" class="btn btn-secondary my-2" data-bs-toggle="popover" data-bs-html="true" title="<span><em>Popover</em> <u>title with</u> <b>HTML</b></span>" data-bs-content="And here's some amazing content. It's very <b class='text-danger'>engaging</b>. Right?">
  Popover with HTML
</button>

Inverse

Use data-bs-custom-class="popover-inverse" HTML attribute to initialize a popover with inverse style. 
          <button type="button" class="btn btn-secondary" data-bs-toggle="popover" data-bs-custom-class="popover-inverse" data-bs-placement="top" title="Popover on top" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on top
</button>
<button type="button" class="btn btn-secondary" data-bs-toggle="popover" data-bs-custom-class="popover-inverse" data-bs-placement="right" title="Popover on right" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on right
</button>
<button type="button" class="btn btn-secondary" data-bs-toggle="popover" data-bs-custom-class="popover-inverse" data-bs-placement="bottom" title="Popover on bottom" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on bottom
</button>
<button type="button" class="btn btn-secondary" data-bs-toggle="popover" data-bs-custom-class="popover-inverse" data-bs-placement="left" title="Popover on left" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Popover on left
</button>

Delay Options

Use custom data-bs-delay-show and data-bs-delay-hide HTML attributes to initialize a popover with showing and hiding delay(ms). 
          <button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-delay-show="1000" title="Popover title" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Show delay: 1000ms
</button>
<button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-delay-hide="1000" title="Popover title" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Hide delay: 1000ms
</button>

Dismiss

Use custom data-bs-dismiss="true" HTML attribute to initialize a popover with showing and hiding delay(ms). 
          <button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-dismiss="true" title="Dismissable popover" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Dismiss for default mode
</button>
<button type="button" class="btn btn-secondary my-2 me-5" data-bs-toggle="popover" data-bs-dismiss="true" title="Dismissable popover" data-bs-content="And here's some amazing content. It's very engaging. Right?">
  Dismiss for dark mode
</button>