<section class="hero is-fullheight video">
<div class="hero-video">
<video poster="img/poster.jpg" playsinline autoplay muted loop>
<source src="video.webm" type="video/webm">
</video>
</div>
<div class="hero-body">
<div class="container">
...
</div>
</div>
<div class="hero-foot">
<div class="has-text-centered">
...
</div>
</div>
</section>
