source/_includes/post.html

<div class="post">
  {% if show_post_link %}
    <h2 class="post-title"><a href="{{ post.url }}">{{ post.title }}</a></h2>
  {% else %}
    <h2 class="post-title">{{ post.title }}</h2>
  {% endif %}
  <span class="post-date-author">By {{ post.author }} on {{ post.date | date: "%b %d, %Y" }}</span>

  <div class="post-content">
    {{ post.content | markdownify }}
  </div>

  <div class="row section post-meta">
    <div class="col-md-12 post-tags">
      <p>Tags: {{ post | tags }}</p>
    </div>
  </div>
</div>