anchor.diff:  
   <div class="ls-collapse">
     <div class="ls-collapse-title">
  -    Titulo collapse
  +    <%= lorem.words 3 %>
     </div>
     <div class="ls-collapse-body">
  -    corpo collapse
  +    <p><%= lorem.paragraphs 3%></p>
  +  </div>
  +</div>
  +
  +<br>
  +<br>
  +<br>
  +
  +<h2>Um collapsesempre aberto</h2>
  +
  +<div class="ls-collapse ls-collapse-always-open">
  +  <div class="ls-collapse-title">
  +    <%= lorem.words 3 %>
  +  </div>
  +  <div class="ls-collapse-body">
  +    <p><%= lorem.paragraphs 3%></p>
     </div>
   </div>
   
  
positive.code: <% 3.times do |num| %>
  <div class="ls-collapse">
    <div class="ls-collapse-title">
      Titulo collapse <%= num %>
    </div>
    <div class="ls-collapse-body">
      corpo collapse
    </div>
  </div>
  <% end %>
  
negative.code:   <% 5.times do |num| %>
    <div class="ls-collapse<% if num == 3 %> ls-collapse-open<% end%>">
      <div class="ls-collapse-title">
        <%= lorem.words num+1 %>
      </div>
      <div class="ls-collapse-body">
        <p><%= lorem.paragraphs num+1%></p>
      </div>
    </div>
    <% end %>
  </div>
  
  <br>
  <br>
  <br>
  
  <h2>collapse Group, XXX</h2>
  <div class="ls-collapse-group">
    <% 5.times do |num| %>
    <div class="ls-collapse<% if num == 3 %> ls-collapse-open<% end%>">
      <div class="ls-collapse-title">
        <%= lorem.words num+1 %>
      </div>
      <div class="ls-collapse-body">
        <p><%= lorem.paragraphs num+1%></p>
      </div>
    </div>
    <% end %>
  </div>
  