<div id="modalmantenimiento" class="modal fade" tabindex="-1" role="dialog"> 
  <div class="modal-dialog modal-lg">
    <form id="formulario">
      <div class="modal-content">
        <div class="modal-header">
          <h4 class="modal-title">Fichas</h4>
        </div>
        <div class="modal-body">
          <input type="hidden" name="pre_id" id="pre_id">

          <div class="row mb-3">
            <div class="col-md-4">
              <label for="pre_descrip" class="form-label">Descripcion</label>
              <input type="text" class="form-control" id="pre_descrip" name="pre_descrip" required autocomplete="off">
              <div class="invalid-feedback">RUT inválido</div>
            </div>
            <div class="col-md-4">
              <label for="pre_costo" class="form-label">Valor</label>
              <input type="text" class="form-control" id="pre_costo" name="pre_costo" required autocomplete="off">
            </div>
           
          </div>
        </div>
        <div class="modal-footer">
          <button type="submit" class="btn btn-primary">Guardar</button>
          <button type="button" class="btn btn-secondary" data-dismiss="modal">Cerrar</button>
        </div>
      </div>
    </form>
  </div>
</div>
