              <code class="Code">size7</code> to
                      <code class="Code">size8</code>, then finally
                      to <code class="Code">size9</code>. Resize your
                      browser window to see the changes take effect.</p>
                </div>
                <div class="bw-1 bs-solid borderColor-smoke padding-3">
                    <div>
                        <h1 class="Heading size7 bp2-size8 bp3-size9">I am a responsive heading</h1>
                    </div>
   