-hidden="true"></span></button>
        <button type="button" class="btn btn-default" aria-label="Center Align"><span class="glyphicon glyphicon-align-center" aria-hidden="true"></span></button>
        <button type="button" class="btn btn-default" aria-label="Right Align"><span class="glyphicon glyphicon-align-right" aria-hidden="true"></span></button>
        <button type="button" class="btn btn-default" aria-label="Justify"><span class="glyphicon glyphicon-align-justify" aria-hidden="true"></span></butto