.container {
  width: 300px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.item.green {
  background-color: #51d400;
  width: 150px;
  height: 150px;
}

.item.yellow {
  background-color: #ffd62a;
  width: 150px;
  height: 150px;
}

.item.purple {
  background-color: #b02afe;
  width: 150px;
  height: 150px;
}