.masonry-item {
  opacity:0;
  width: calc(25% - 10px);
  height: calc(22vw - 10px);
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  /*border: 5px solid #FFFFFF;*/
    margin: 5px;
}
.masonry-item .views-field-field-hero-image img {
  width: auto;
  height: auto;
  min-width: 100%;
  min-height: 100%;
  max-width: none;
  max-height: none;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
.masonry-1x1-5 {
  height: calc(33vw - 10px);
}
.masonry-1x2 {
  height: calc(44vw - 10px);
}
.masonry-2x2,
.masonry-2x3 {
  width: calc(50% - 10px);
  height: calc(44vw - 10px);
}
.masonry-2x3 {
  height: calc(66vw - 10px);
}