basspistol.com/_includes/videopageheader.html

    <video poster="{{ site.baseurl }}{{ page.poster_image }}" id="bgvid" autoplay playsinline muted loop>
       <source src="{{ site.baseurl }}{{ page.video_path }}" type="video/mp4">
    </video>
    <img id="bgpic" src="{{ site.baseurl }}{{ page.poster_image }}" alt="Basspistol" />
    <div id="headline"><h1>~/{{ page.subtitle }}</h1></div>