.col-md-6 .col-md-offset-3</div>
</div>
{% endhighlight %}


  <h2 id="grid-nesting">Nesting columns</h2>
  <p>To nest your content with the default grid, add a new <code>.row</code> and set of <code>.col-sm-*</code> columns within an existing <code>.col-sm-*</code> column. Nested rows should include a set of columns that add up to 12 or fewer (it is not required that you use all 12 available columns).</p>
  <div class="row show-grid">
    <div class="col-sm-9">
      Level 1: .col-sm-9
      <div class="ro