ویدیوی پس زمینه

<div class="section-lg position-relative bg-dark-04">  <div class="bg-video">    <video playsinline autoplay muted loop>      <source src="../assets/video-bg.mp4" type="video/mp4">    </video>  </div>  <div class="container text-center">    <h2>Video BG</h2>  </div>
</div>