@media (max-width: 767.98px) {
  main {
    padding: 0 2rem;

    #logo {
      display: none;
    }

    section {
      width: 100%;
    }
  }

  #form-add-item {
    flex-direction: column;
  }

  #button-add-item {
    width: 100%;
  }

  ul {
    max-height: 30rem;
  }
}