.hes-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-gap: 10px;
  padding: 10px;
  columns: 4;
}

.hes-gallery img {
  border: 10px solid #eee;
  width: 100%;
  object-fit: cover;
  transition: 0.3s;
  cursor: pointer;
}

.hes-gallery img:hover {
  transform: scale(1.04);
  box-shadow: 2px 2px 6px #555;
}


@media (max-width: 800px) {

  .hes-gallery {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .hes-gallery {
    grid-template-columns: 1fr 1fr;
  }
}