github.com/jbramsden/hugo@v0.47.1/docs/themes/gohugoioTheme/layouts/shortcodes/yt.html (about)

     1  <div class="video-wrapper" data-streaming="youtube" data-videoid="{{.Get "id"}}" >
     2  	<i class="icon-video-play-button shortcode"></i>
     3  	{{if (.Get "thumbnail")}}
     4  	<div style="background-image:url(/images/thumbnails/{{.Get "thumbnail"}})" alt="YouTube Thumbnail" class="video-thumbnail"></div>
     5  	{{else}}
     6  	<div style="background-image:url(//img.youtube.com/vi/{{.Get "id"}}/0.jpg)" alt="YouTube Thumbnail" class="video-thumbnail"></div>
     7  	{{end}}
     8  </div>
     9  {{ if (.Get "description") }}
    10  <div class="video-description">{{ .Get "description" | markdownify }}</div>
    11  {{ end }}