anchor.diff:  <% 2.times do |num| %>
   <div class="ls-collapse">
     <div class="ls-collapse-title">
  -    Titulo collapse <%= num %>
  +    <%= lorem.words num+1 %>
     </div>
     <div class="ls-collapse-body">
  -    corpo collapse
  +    <p><%= lorem.paragraphs 3%></p>
     </div>
   </div>
   <% end %>
  
positive.code:   <% 5.times do |num| %>
    <div class="ls-collapse<% if num == 3 %> ls-collapse-open<% end%>">
      <div class="ls-collapse-title">
        Titulo collapse <%= num %>
      </div>
      <div class="ls-collapse-body">
        corpo collapse
      </div>
    </div>
    <% end %>
  </div>
  
negative.code: <% 3.times do |num| %>
  <div class="ls-collapse">
    <div class="ls-collapse-title">
      <%= lorem.words num+1 %>
    </div>
    <div class="ls-collapse-body">
      <p><%= lorem.paragraphs 3%></p>
    </div>
  </div>
  <% end %>
  