site/source/layouts/post.erb

<% content_for :page_title do %>
Blog
<% end %>
<% wrap_layout :layout do %>
<div class="row">

  <div class="col-md-3">
    <div class="meta">
      <span class="author">
        <% if current_page.data.post_author.gravatar %>
          <img src="http://www.gravatar.com/avatar/<%= current_page.data.post_author.gravatar %>?s=80"
               class="author_gravatar">
        <% end %>
        <span class="author_contact">
          <p><strong><%= current_page.data.post_author.display_name %></strong></p>
          <% if current_page.data.post_author.twitter %>
            <p><a href="http://twitter.com/<%= current_page.data.post_author.twitter %>">@<%= current_page.data.post_author.twitter %></a></p>
          <% end %>
        </span>
      </span>
      <p><em>Posted <%= current_article.date.strftime("%B %e, %Y")  %></em></p>
    </div>

    <div class="share">
      <span class="social-share-button"><a href="https://twitter.com/share" class="twitter-share-button" data-via="apachemesos">Tweet</a></span>

      <span><script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script></span>

      <span><div class="g-plusone" data-size="medium"></div></span>

      <!-- Place this tag after the last +1 button tag. -->
      <script type="text/javascript">
        (function() {
        var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
        po.src = 'https://apis.google.com/js/plusone.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
        })();
      </script>

      <script src="//platform.linkedin.com/in.js" type="text/javascript">
       lang: en_US
      </script>
      <script type="IN/Share" data-counter="right"></script>
    </div>
  </div>

  <div class="post col-md-9">
    <h1><%= current_page.data.title %></h1>

    <%= yield %>
  </div>
</div>
<% end %>