 <li>
                            <a href="./bootstrap.html">Bootstrap styling</a>
                        </li>
                        <li>
                            <a href="./semanticui.html">Semantic UI styling</a>
                        </li>
                        <li>
                            <a href="./foundation.html">Foundation styling</a>
                        </li>
                        <li>
                            <a href="./bootstrap4.html">Bootstrap 4 styling</a>
             