anchor.diff:  <div class="row">
     <div class="col-md-3">
       <div class="panel panel-default">
  -      <div class="panel-heading"><div class="h3 panel-title text-center"><%= t('.registered_users') %></div></div>
  +      <div class="panel-heading">
  +        <h3 class="panel-title text-center"><%= t('.registered_users') %></h3>
  +      </div>
         <div class="panel-body text-center">
           Current
           <div class="h3"><%= @presenter.user_count %></div>
  
positive.code: 
      <div class="col-md-3">
        <div class="panel panel-default">
          <div class="panel-heading"><div class="h3 panel-title text-center"><%= t('.returning_visitors') %></div></div>
          <div class="panel-body text-center">Past 30 days
            <div class="h3">n/a</div>
          </div>
  
negative.code:   <div class="col-md-4">
      <div class="panel panel-default">
        <div class="panel-heading">
          <h3 class="panel-title"><%= t('.repository_objects.title') %></h3>
          <div><%= t('.repository_objects.subtitle') %></div>
        </div>
        <div class="panel-body text-center">
  