Style tweaks to pagination, right sidebar, and background color

_layouts/single.html

@@ -47,6 +47,8 @@ layout: default
       </footer>
 
       {% if site.share and page.share %}{% include social-share.html %}{% endif %}
+
+      {% include post_pagination.html %}
     </div>
 
     {% if site.comments.provider and page.comments %}