anchor.diff:  
                 <div class="">
                   <div class="heading">
  -                  <h4><%= diary.diary_definition.title %></h4>
  +                  <h4>Diário do Módulo: <%= diary.diary_definition.title %></h4>
                   </div>
                   <div class="diary">
                     <%= diary_content(diary.content) %>
  
positive.code: 
    <!--presentation-->
    <section class="presentation">
      <h2>Apresentação</h2>
  
      <%= @presentation.content.try(:html_safe) if @presentation %>
    </section>
  
negative.code:       <section class="hub">
  
          <div class="hub-header">
            <h2><%= hub.hub_definition.subtitle %></h2>
          </div>
  
          <!--diaries-->
  