ow-xl</code> available.</p>
            <ul>
              <li><code>show-xs</code> shows elements when the window width is smaller than or equal to <strong>480px</strong>.</li>
              <li><code>show-sm</code> shows elements when the window width is smaller than or equal to <strong>600px</strong>.</li>
              <li><code>show-md</code> shows elements when the window width is smaller than or equal to <strong>840px</strong>.</li>
              <li><code>show-lg</code> shows elements when the windo