text: let imagens = document.querySelectorAll('.small_img');
  let modal = document.querySelector('.modal');
  let modalImg = document.querySelector('#modal_img');
  let btClose = document.querySelector('#bt_close');
  let srcVal = "";
  
  for (let i = 0; i < imagens.length; i++) {
      imagens[i].addEventListener('click', function() {
  
          srcVal = imagens[i].getAttribute('src');
          modalImg.setAttribute('src', srcVal);
          modal.classList.toggle('modal_active');
      });
  
  }
  btClose.addEventListener('click', function() {
      modal.classList.toggle('modal_active');
  });