anchor.diff:        <div class="id-manual-cover__metadata">
           <div class="id-manual-cover__metadata-row">
             <span><%= t('id_manual_cover.taxon_label') %>:</span>
  -          <em class="bold italic"><%= @taxon_name %></em>
  +          <em class="bold italic"><%= taxon_name %></em>
           </div>
   
           <div class="id-manual-cover__metadata-row">
  
positive.code:   </main>
    <footer>
      <%= link_to  "" do %>
        <%= image_tag  "rails.png" %>
      <% end %>
  
      <%= link_to  "" do %>
        <%= image_tag  "rails.png" %>
      <% end %>
  
      <%= link_to  "" do %>
        <%= image_tag  "rails.png" %>
      <% end %>
    </footer>
  </div>
negative.code: <aside>
    <img alt="Rails" src="/home/luca/Projects/SAPI/app/assets/images/rails.png" >
    <%= t('id_manual_cover.header') %>
  </aside>
  <div>
  