anchor.diff:              </div>
           </div>
           <div class="col-xs-12 col-md-3 col-md-pull-9">
  -            <div class="panel panel-default">
  -                <div class="panel-heading">Informacje</div>
  -            </div>
  -
  -            <div class="panel panel-default">
  -                <div class="panel-heading">Nawigacja</div>
  -            </div>
  -
               <div class="panel panel-default">
                   <div class="panel-heading">
                       <a href="#" class="btn btn-default btn-xs pull-right">Więcej</a>
  
positive.code:                 <p><%= @course.description %></p>
                  <% end %>
              </div>
              <div class="panel panel-default">
                  <div class="panel-heading">Lorem ipsum dolor sit amet.</div>
                  <ul class="list-group">
  
negative.code: 
  <div class="container">
      <div class="row">
          <div class="col-xs-12">
              <ul class="nav nav-tabs nav-justified">
                  <%= active_link_to 'Przegląd', course_path(@course), wrap_tag: :li, active: :exclusive %>
                  <li><a href="#">Oceny</a></li>
                  <li><a href="#">Terminy</a></li>
                  <li><a href="#">Aktywność</a></li>
                  <li><a href="#">Informacje</a></li>
                  <li><a href="#">Ustawienia</a></li>
              </ul>
          </div>
      </div>
      <div class="row row-separator"></div>
      <div class="row">
          <div class="col-xs-12 col-md-9 col-md-push-3">
              <div id="course-jumbo" class="jumbotron" style="border-color: <%= string_to_pastel "#{@course.name}#{@course.id}" %>">
                  <h1><%= @course.name %></h1>
  