faulty.equipment/themes/fesite/layouts/_default/_markup/render-image.html

<figure width="100%">
  <a href="#{{ .Destination | md5 }}-lightbox"
    ><picture>
      {{ $avifPath:= replace .Destination (path.Ext .Destination) ".avif" }} {{
      $avifPathStatic:= printf "static/%s" $avifPath }} {{ if (fileExists
      $avifPathStatic) -}}
      <source srcset="{{ $avifPath | safeURL }}" type="image/avif" />
      {{- end }} {{ if eq (path.Ext .Destination) ".jpg" }}
      <source type="image/jpeg" srcset="{{ .Destination | safeURL }}" />
      {{ end }} {{ if eq (path.Ext .Destination) ".jpeg" }}
      <source type="image/jpeg" srcset="{{ .Destination | safeURL }}" />
      {{ end }} {{ if eq (path.Ext .Destination) ".png" }}
      <source
        type="image/png"
        srcset="{{
      .Destination | safeURL }}"
      />
      {{ end }}
      <img src="{{ .Destination | safeURL }}" alt="{{ .PlainText }}" />
    </picture>
  </a>
  <figcaption>
    {{ if .Title }}
    <p>{{ .Title | markdownify }}</p>
    {{ else if .Text }}
    <p>{{ .Text | htmlUnescape }}</p>
    {{ end }}
  </figcaption>
</figure>
<a href="#_" class="lightbox" id="{{ .Destination | md5 }}-lightbox">
  <picture>
    {{ $avifPath:= replace .Destination (path.Ext .Destination) ".avif" }} {{
    $avifPathStatic:= printf "static/%s" $avifPath }} {{ if (fileExists
    $avifPathStatic) -}}
    <source srcset="{{ $avifPath | safeURL }}" type="image/avif" />
    {{- end }} {{ if eq (path.Ext .Destination) ".jpg" }}
    <source type="image/jpeg" srcset="{{ .Destination | safeURL }}" />
    {{ end }} {{ if eq (path.Ext .Destination) ".jpeg" }}
    <source type="image/jpeg" srcset="{{ .Destination | safeURL }}" />
    {{ end }} {{ if eq (path.Ext .Destination) ".png" }}
    <source
      type="image/png"
      srcset="{{
    .Destination | safeURL }}"
    />
    {{ end }}
    <img src="{{ .Destination | safeURL }}" alt="{{ .PlainText }}" />
  </picture>
</a>