.mason-gallery {
  display: flex;
  flex-wrap: wrap;
  padding: 0;
}
.mason-gallery-column {
  margin: 0 auto;
  max-width: 48%;
}
.mason-gallery-column img {
  margin-top: 8px;
  vertical-align: middle;
  width: 100%;
}
@media screen and (max-width: 1200px) {
  .mason-gallery-column {
    flex: 33%;
    max-width: 32.5%;
  }
}
@media screen and (max-width: 992px) {
  .mason-gallery-column {
    flex: 50%;
    max-width: 49.5%;
  }
}
@media screen and (max-width: 600px) {
  .mason-gallery-column {
    flex: 100%;
    max-width: 100%;
  }
}

.mason-gallery-column img:hover {
  filter: drop-shadow(4px 4px 6px gray);
  transform: scale(1.05);
  border-radius: 5px;
  transition: 100ms;
}