itsdrike.com/layouts/partials/content.html

<h1 class="display-4">{{ .Title }}</h1>
{{ if .Params.subtitle }}
  <h5 class="my-3">{{ markdownify .Params.subtitle | emojify }}</h5>
{{ end }}

{{ if .IsPage }}
  <p>{{ partial "content-details.html" . }}</p>
{{ end }}

{{ if .Content }}
  <hr>

  <div class="content mt-3">
    {{ if .TableOfContents }}
      <!-- Get the amount of headers using regex -->
      {{ $headers := findRE "<h[1-6].*?>(.|\n])+?</h[1-6]>" .Content }}
      {{ if ge (len $headers) 4 }}
        <div class="float-lg-end ml-lg-3 mb-3 p-3">
          {{ .TableOfContents }}
        </div>
      {{ end }}
    {{ end }}
    {{ .Content }}
  </div>
{{ end }}