Filled out 9 years post

[website] / themes / bookstack / layouts / shortcodes / yt.html

{{ $vidId := .Get 0 }}
<div class="youtube-embed-wrap">
    <a href="https://www.youtube.com/watch?v={{ $vidId }}" target="_blank" title="View Video" rel="noreferrer noopener">
        <img src="/images/yt/{{ $vidId }}.webp" alt="YouTube Video Thumbnail" loading="lazy">
    </a>
</div>