web2py-service/views/default/index.html

{{extend 'layout_bs3.html'}}

<div class="container-fluid">
  <div class="row">
    <div class="col-md-6">
      <div class="row left-cols">
        <div class="col-md-6">
          col 1
        </div>
        <div class="col-md-6">
          col 2
        </div>
      </div>
    </div>

    <div class="col-md-6">
      <div class="row left-cols">
        <div class="col-md-6">
          col 3
        </div>
        <div class="col-md-6">
          col 5
        </div>
        <div class="col-md-12">
          col 4
        </div>
      </div>
    </div>
  </div>
</div>