hugo-theme-bootstrap4-blog/layouts/_default/single.html

{{ define "title" }}{{ .Title }} | {{ .Site.Title }}{{ end }}
{{ define "main" }}
      <article class="blog-post">
        <header>
          <h2 class="blog-post-title"><a href="{{ .Permalink }}" title="{{ .Title }}">{{ .Title }}</a></h2>
          <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format .Site.Params.date_format }}</time> by <a href="#">{{ .Params.author | default .Site.Params.author }}</a>{{ if or (.Params.categories) (.Params.tags) }} in {{ partial "meta-terms.html" . }}{{ end }}</p>
        </header>
        {{ .Content }}

        {{ if not .Site.Params.sharingicons.hide }}
          {{ partial "sharing-icons.html" . }}
        {{ end }}
      </article> <!-- /.blog-post -->
{{ end }}