anchor.diff:  <div class="panel-group">
     <div class="panel panel-default">
       <div class="panel-heading" role="tab" id="headingOne">
  -      <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
           <h4 class="panel-title">
               DNS name
           </h4>
  -      </a>
       </div>
       <div id="collapseOne" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne">
         <div class="panel-body">
  
positive.code:     </div>
      <div id="collapseFive" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingFive">
        <div class="panel-body">
          <div class="col-md-4 col-sm-6 col-xs-12" v-for="e in ec2_instances">
            <div class="panel" :class="panel_class(e.state)">
              <div class="panel-heading">
  
negative.code:   </div>
  </div>
  
  
  
  
  