hugo-theme-bootstrap4-blog/layouts/partials/content.html

<div class="container">
  <div class="row">
    <div class="col-sm-8 blog-main">
      <article class="blog-post">
        <h1 class="blog-post-title"><a href="{{ .Permalink }}" title="{{ .Title }}">{{ .Title }}</a></h1>
        <p class="blog-post-meta"><time datetime="{{ .Date }}">{{ .Date.Format .Site.Params.date_format }}</time> by <a href="#">{{ .Params.author | default .Site.Params.author }}</a></p>
        {{ .Content }}
      </article> <!-- /.blog-post -->
    </div> <!-- /.blog-main -->

    {{ if not .Site.Params.sidebar.hide }}
      {{ partial "sidebar.html" . }}
    {{ end }}

  </div> <!-- /.row -->
</div> <!-- /.container -->