.section-gallery-custom [data-grid] .gallery__item{
      padding: calc(var(--gutter) / 2);
}
@media only screen and (max-width: 767px) {
  .section-gallery-custom [data-grid] .gallery__item{
    margin-bottom: calc(var(--gutter) + 1px);

  }
}

@media only screen and (max-width: 479px) {
 .section-gallery-custom [data-grid] .gallery__item {
    padding: 8px;
    margin: 0;
    width: calc(50% - 8px);
  }
}