hugo-geekblog/layouts/_default/single.html

{{ define "main" }}
    <article class="gblog-post">
        <header class="gblog-post__header">
            <h1>{{ partial "title" . }}</h1>
        </header>

        <section class="gblog-markdown">
            {{ partial "content" . }}
        </section>
    </article>
{{ end }}