More markup cleanups/fixes.

content/blog/index.html

 ---
 title: Blog
 ---
-<div class="col-md-9">
-  <% sorted_articles.each do |post| %>
-    <div class="blog doc-content">
-      <h1><%= link_to post[:title], post.path %></h1>
-      <aside>Posted at: <%= get_pretty_date(post) %> by <%= post[:author_name]%></aside>
-      <article class="doc-content">
-        <%= get_post_start(post) %>
-      </article>
-    </div>
-  <% end %>
+<div class="row">
+  <div class="col-md-9">
+    <% sorted_articles.each do |post| %>
+      <div class="blog doc-content">
+        <h1><%= link_to post[:title], post.path %></h1>
+        <aside>Posted at: <%= get_pretty_date(post) %> by <%= post[:author_name]%></aside>
+        <article class="doc-content">
+          <%= get_post_start(post) %>
+        </article>
+      </div>
+    <% end %>
+  </div>
+  <%= render 'blog_sidebar' %>
 </div>
-<%= render 'blog_sidebar' %>

layouts/blog.html

 <% render 'default' do %>
+<div class="row">
   <div class="col-md-9 blog doc-content">
     <h1><%= item[:title] %></h1>
     <aside>Posted at: <%= get_pretty_date(item) %> by <%= item[:author_name]%></aside>
@@ -22,4 +23,5 @@
   </div>
 
   <%= render 'blog_sidebar' %>
+</div>
 <% end %>

layouts/blog_sidebar.html

 <div class="col-md-3 side-nav-col">
   <ul class="nav navbar-nav side-nav">
-    <li class="active">
+    <li>
       <span class="nav-header">Blog posts</span>
       <ul class="nav active">
       <% sorted_articles.each do |post| %>
         <li><%= link_to post[:title], post.path %></li>
       <% end %>
-    </ul>
+      </ul>
+    </li>
   </ul>
 </div>