<!-- speakers grid 6 columns-->
<div class="row">
  <div class="col-md-6">
  </div>

  <div class="col-md-6">
  </div>

  <div class="col-md-6">
  </div>

  <div class="col-md-6">
  </div>

  <div class="col-md-6">
  </div>

  <div class="col-md-6">
  </div>
</div>
<!-- /speakers -->