arcusiridis/layouts/shortcodes/apvid.html

<p align="center">
    <video autoPlay muted loop class="apvid">
        <source type="video/mp4" src="{{- .Inner -}}" />
    </video>
</p>

<style>
    @media only screen and (max-width: 600px) {
        .apvid {
            width: 100% !important;
            height: auto !important;
        }
    }
</style>