margins of articles to be more center screen than full width added

templates/article.html

@@ -46,6 +46,8 @@
     </script>
   {% endif %}
 
+  <div class="container">
+
   <div>
     {{ article.content }}
   </div>
@@ -92,6 +94,7 @@
       (adsbygoogle = window.adsbygoogle || []).push({});
     </script>
   {% endif %}
+</div>
 
   {% include "partial/disqus.html" %}
   {% include "partial/isso.html" %}