icingaweb2/modules/monitoring/application/views/scripts/multi/components/configuration.phtml

<div>
  <div class="panel-heading">
    <span><b>Configuration</b></span>
  </div>
  <hr class="separator">
  <div class="panel-body">
    Change configuration for <?= count($this->objects) ?> objects.
    <?php echo $this->form->render($this); ?>
  </div>
</div>