anchor.diff:  
   
   <% content_for(:container_type) do %>skip<% end %>
  -  
  +
   <header class="ost-header">
     <div class="container">
       <div class="row">
  
positive.code:         <h1><strong><%= @presenter.name %></strong></h1>
          <ul class="breadcrumb breadcrumb-ost">
            <li><%= link_to 'Organizations', organizations_path %></li>
            <li><%= link_to @presenter.organization.name, organization_path(@presenter.organization) %></li>
            <li><%= link_to @presenter.name, course_path(@presenter.course) %></li>
            <li class="active"><%= @presenter.display_style.titleize %></li>
          </ul>
  
negative.code:     <%= render 'course_navigation', presenter: @presenter %>
    </div>
  </header>
  
  <aside class="ost-toolbar container-fluid">
    <div class="container">
      <div class="row">
  