rete the strings you want to use as a filters
              </small>
              <br>
              <button type="submit" class="btn btn-primary mb-2">Submit</button>&nbsp;&nbsp;
              <font color=red><b> NOTE: </b></font>Hooking more than 500 classes can crash the app
            </form>
          </div>
          <br>
          <div class="col-sm-12">

            <!-- FORM START -->
            <form class="form-group list-group-item list-group-item-action bg-light" 
                  action="/