  .masonry .grid-sizer {
    width: calc(100% / 2);
  }
  .masonry .item {
    width: calc(100% / 2);
   padding: 0 10px 20px;
  }
@media (min-width: 648px) {
  .masonry .grid-sizer, .masonry .item {
    width: calc(100% / 3);
  }
}
@media (min-width: 1200px) {
  .masonry .grid-sizer, .masonry .item {
    width: calc(100% / 4);
  }
}
