Small tweaks to the styling. Uses a global max width on the theme

_includes/layouts/post.njk

@@ -4,11 +4,13 @@ templateClass: tmpl-post
 ---
 <h1>{{ title }}</h1>
 
-<time datetime="{{ page.date | htmlDateString }}">{{ page.date | readableDate }}</time>
-{%- for tag in tags | filterTagList %}
-{%- set tagUrl %}/tags/{{ tag | slugify }}/{% endset %}
-<a href="{{ tagUrl | url }}" class="post-tag">{{ tag }}</a>
-{%- endfor %}
+<ul class="post-metadata">
+  <li><time datetime="{{ page.date | htmlDateString }}">{{ page.date | readableDate }}</time></li>
+  {%- for tag in tags | filterTagList %}
+  {%- set tagUrl %}/tags/{{ tag | slugify }}/{% endset %}
+  <li><a href="{{ tagUrl | url }}" class="post-tag">{{ tag }}</a>{%- if not loop.last %}, {% endif %}</li>
+  {%- endfor %}
+</ul>
 
 {{ content | safe }}