href="#" class="btn btn-primary btn-sm">primary</a>
                    <a href="#" class="btn btn-danger btn-sm">danger</a>
                    <a href="#" class="btn btn-success btn-sm">success</a>
                    <a href="#" class="btn btn-info btn-sm">info</a>
                    <a href="#" class="btn btn-warning btn-sm">warning</a>

                   
                    <h4>Large Button</h4>

                    <a href="#" class="btn btn-default btn-lg">default</a>
                    <a href="