hugo-theme-zzo/layouts/partials/body/main-right.html

<div class="wrapper__right">
  {{ if eq ($.Param "tocPosition") "outer" }}
    {{ if or ($.Param "enableToc") ($.Param "toc") }}
      <div class="toc toc__outer {{ if $.Param "hideToc" }}hide{{ end }}">
        {{ .TableOfContents }}
      </div>
    {{ end }}
  {{ end }}
</div>