r applied will be the color of the <strong>text</strong>.</p>

        </div>
      </header>

      <aside class="example-preview">
        <div class="example-browser"><i></i><i></i><i></i></div>
        <div class="example-output">
          <div class="example-output-div border-left " id="border-left-2px-solid">Hello world</div>
        </div>
      </aside>
          <style type="text/css">#border-left-2px-solid{ border-left:2px solid;}</style>
    </section>

</section>
