Style fixes for when sidebar has no or partial content

i2p2www/pages/global/layout.html

@@ -54,9 +54,10 @@
         </div>
 
         <main role="main" class="inner">
+          {% if self.content_nav() or self.lastupdated() or self.accuratefor() -%}
           <aside class="sidebar">
             {% if self.content_nav() -%}
-            <nav>
+            <nav{% if self.lastupdated() or self.accuratefor() %} class="top"{% endif %}>
             {% block content_nav %}{% endblock %}
             </nav>
             {%- endif %}
@@ -83,8 +84,9 @@
           </div>
           {%- endif %}
           </aside>
+          {%- endif %}
 
-          <article class="content-inner">
+          <article class="content-inner{% if self.content_nav() or self.lastupdated() or self.accuratefor() %} two-col{% endif %}">
           {% block content %}{% endblock %}
           </article>
         </main>