<!-- wp:paragraph -->
<p></p>
<!-- /wp:paragraph -->

<!-- wp:html -->
<!-- The video -->
<video autoplay muted loop id="myVideo">
  <source src="rain.mp4" type="video/mp4">
</video>

<!-- Optional: some overlay text to describe the video -->
<div class="content">
  <h1>Heading</h1>
  <p>Lorem ipsum...</p>
  <!-- Use a button to pause/play the video with JavaScript -->
  <button id="myBtn" onclick="myFunction()">Pause</button>
</div>
<!-- /wp:html -->