fix: correct tags CSS

src/_layouts/article.njk

@@ -9,10 +9,10 @@ templateClass: tmpl-post
     <div class="post-metadata__header">
       Le <time datetime="{{ page.date | htmlDateString }}">{{ page.date | readableDate }}</time> {{ authors | readableAuthors }}
     </div>
-    <ul>
+    <ul class="post-tags article-tags">
       {%- for tag in tags | filterTagList %}
       {%- set tagUrl %}/tags/{{ tag | slugify }}/{% endset %}
-      <li><a href="{{ tagUrl }}" class="post-tag">#{{ tag }}</a>{%- if not loop.last %} {% endif %}</li>
+      <li class="post-tag"><a href="{{ tagUrl }}">#{{ tag }}</a>{%- if not loop.last %} {% endif %}</li>
       {%- endfor %}
     </ul>
   </div>