.masonry-container {
  position: relative;
  width: 100%;
}

.masonry-item {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  opacity: 0;
  /* transition is set inline by Masonry (transform + opacity) */
}

.masonry-item--visible {
  opacity: 1;
}

.masonry-sentinel {
  position: absolute;
  width: 1px;
  height: 1px;
  pointer-events: none;
  visibility: hidden;
}