New layout for description tag

_layouts/post.html

@@ -4,6 +4,8 @@ layout: page
 <article class="c-article">
   <header class="c-article__header">
     <h1 class="c-article__title">{{ page.title }}</h1>
+    <br>
+    <h3 class="c-article__description">{{ page.description }}</h3>
     <p class="c-article__time"><time datetime="{{ page.date | date_to_xmlschema }}" itemprop="datePublished">{{ page.date | date: "%b %-d, %Y" }}</time></p>
   </header>
   <!-- Post Tags -->