{{ $imageFile := print "public" (.Get `source`) }}
{{ $image := imageConfig $imageFile }}

{{ $ratio := 0 }}
{{ if lt (mul (div (float $image.Height) $image.Width) 100) 100 }}
{{ $ratio = mul (div (float $image.Height) $image.Width) 100 }}
{{ end }}

<figure>
  <a href="{{ .Get `source` }}">
    <img data-image-zoom src="{{ .Get `source` }}" alt="{{ .Get `title` }}" title="{{ .Get `title` }}" width="{{ $image.Width }}" height="{{ $image.Height }}"/>
  </a>
  <figcaption class="has-text-centered has-text-grey-dark">{{ .Inner | markdownify }}</figcaption>
</figure>