anchor.diff:  
             <div class="panel panel-primary">
               <!-- Default panel contents -->
  -            <div class="panel-heading">SPREE</div>
  +            <div class="panel-heading">SPREE publicadas</div>
   
               <!-- Table -->
               <!-- Table -->
  
positive.code: 
            <div class="panel panel-primary">
              <!-- Default panel contents -->
              <div class="panel-heading">Promociones pasadas</div>
  
              <!-- Table -->
              <!-- Table -->
  
negative.code: 
            <div class="panel panel-primary">
              <!-- Default panel contents -->
              <div class="panel-heading">Recibidas disponibles</div>
  
              <!-- Table -->
              <!-- Table -->
  