/* flex */

.masonry-layout {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  padding: 10px;
  height: 100vw;
}
.masonry-layout__panel {
  display: flex;
  flex: 1 1 auto;
  width: 33.3%;
  margin-bottom: 10px;
  border-radius: 10px;
}

/* css */

.masonry-layout {
  column-count: 3;
  column-gap: 0;
}
.masonry-layout-panel {
  break-inside: avoid;
  padding: 5px;
}
.masonry-layout-panel__content {
  padding: 10px;
  border-radius: 10px;
}