[data-page="pro_participante_edit"][data-itemid="page_image_ash8f23hr"] {
  width: 400px;
}

/* Put  your custom CSS code here */

[data-cellid="grid_c14"][data-page="pro_participante_edit"][data-cellid="grid_c14"][data-page="pro_participante_edit"][data-cellid="grid_c14"][data-page="pro_participante_edit"] {
Display: none;
}