ow-md">col-md-6</div>
                  <div class="text-dark hide-sm">col-sm-8</div>
                  <div class="text-primary show-sm">col-sm-8</div>
                </div>
              </div>
            </div>
            <p>There are <code>col-xs-<1-12></code>, <code>col-sm-<1-12></code>, <code>col-md-<1-12></code>, <code>col-lg-<1-12></code> and <code>col-xl-<1-12></code> available for flexible grid across mobile, tablet and desktop viewport usage.</p>
            <ul>
              <li><code>col-xs