better blogpost looks and table of contents

layouts/blogpost.erb

@@ -1,5 +1,3 @@
-<div class="columns">
-  <article class="column is-8 is-offset-2">
 <div class="heading">
   <h1 class="title is-1 has-text-centered">
     <%= item[:title] %>
@@ -20,8 +18,7 @@
   </p>
   <hr>
 </div>
-    <div class="content is-medium">
+
+<div class="columns">
   <%= yield %>
 </div>
-  </article>
-</div>

layouts/blogpost.md

@@ -1,11 +1,20 @@
+<article class="column is-offset-2 is-8" markdown="1">
+<div class="content is-medium" markdown="1">
+<%= yield %>
+</div>
+</article>
+
 <% if item[:toc] %>
-<aside class="menu is-pulled-right" markdown="1">
+<div class="menu column" markdown="1">
   <p class="menu-label">
     Table of Contents
   </p>
+<% if item[:toc].is_a? Hash %>
 * x
 {:toc .toc-depth-<%= item[:toc][:depth] %>}
-</aside>
+<% else %>
+* x
+{:toc}
+<% end %>
+</div>
 <% end %>
-
-<%= yield %>