icingaweb2/application/layouts/scripts/body.phtml

<?php echo $this->render('parts/topbar.phtml') ?>
<div class="row">

  <!-- Only required for left/right tabs -->
  <div class="col-md-2">
    <?php echo $this->render('parts/navigation.phtml') ?>
  </div>

  <div class="col-md-10">
    <div id="icingamain" class="col-md-8">
      <?= $this->render('inline.phtml') ?>
    </div>

    <div id="icingadetail" class="col-md-2">
      Details
    </div>
  </div>
</div>