div>
        <div wicket:id="rootConcepts" class="list-group-item">
          <form wicket:id="conceptForm">
            <div class="input-group">
              <input type="text" wicket:id="textField" class="form-control"/>
              <button wicket:id="removeConcept" class="btn btn-danger">
                <i class="fas fa-trash" aria-hidden="true"></i>
              </button>
            </div>
          </form>
        </div>
      </div>
    </div>
  </div>
</wicket:panel>
</html>