img {
  height: auto !important;
  max-width: 100%;
}

.image-grid {
  display: grid;
  gap: 1rem 0.5rem;
  grid-template-columns: 1fr;
  margin-bottom: 1rem;
}

@media only screen and (min-width: 480px) {
  .image-grid.two-col {
    grid-template-columns: 1fr 1fr;
  }
  .image-grid.three-col {
    grid-template-columns: 1fr 1fr;
  }
}

@media only screen and (min-width: 720px) {
  .image-grid.three-col {
    grid-template-columns: 1fr 1fr 1fr;
  }
}