<div class="container tagcloud">
  <h4>Tags</h4>
  {{ if ne (len $.Site.Taxonomies.tags) 0 }}
    {{ $largestFontSize := 1.4 }}
    {{ $smallestFontSize := 1.0 }}
    {{ $fontSpread := sub $largestFontSize $smallestFontSize }}
    {{ $max := add (len (index $.Site.Taxonomies.tags.ByCount 0).Pages) 1 }}
    {{ $min := len (index $.Site.Taxonomies.tags.ByCount.Reverse 0).Pages }}
    {{ $spread := sub $max $min }}
    {{ $fontStep := div $fontSpread $spread }}
      {{ range $name, $taxonomy := $.Site.Taxonomies.tags }}
        {{ $tagCount := len $taxonomy.Pages }}
        {{ $currentFontSize := (add $smallestFontSize (mul (sub $tagCount $min) $fontStep) ) }}
        {{ $weight := div (sub (math.Log $tagCount) (math.Log $min)) (sub (math.Log $max) (math.Log $min)) }}
        {{ $currentFontSize := (add $smallestFontSize (mul (sub $largestFontSize $smallestFontSize) $weight)) }}
          <a href="{{ "/tags/" | relURL }}{{ $name | urlize }}/" 
          class="tagcloud-item" style="font-size: {{ $currentFontSize }}rem;">
            {{ $name }}<sup>{{ $tagCount }}</sup>
          </a>
      {{ end }}
  {{ end }}
</div>