se"><i class="fa fa-minus"></i></button>
                    <button class="btn btn-default btn-sm" data-widget="remove"><i class="fa fa-times"></i></button>
                  </div>
                </div><!-- /.box-header -->
                <div class="box-body">
                  <div class="row">
                    <div class="col-md-3 col-sm-6 col-xs-6 text-center">
                      <input type="text" class="knob" value="30" data-width="90" data-height="90" data-fgColor="#3c8dbc">
               