hugo-theme/layouts/_default/single.html

{{ define "main" }}
<div class="panel flex-1 blog-post h-entry">
	<h1 class="blog-post--title p-name"><a href="{{ .RelPermalink }}" class="u-url text-black no-underline">{{ .Title }}</a></h1>
	<div class="blog-post--body e-content">
		{{ .Content }}
	</div>
	<div class="blog-post--footer">
		<div class="blog-post--author">Author: <span class="p-author h-card"><a href="{{ .Site.BaseURL }}" rel="author">{{ .Site.Params.Author }}</a></span></div>
		<div class="blog-post--updated">Updated: <span class="dt-updated">{{ .Lastmod.Format "Jan 2, 2006" }}</span></div>
	</div>
</div>
{{ end }}