myEsn2E9

<div class="容器">
	<div>1</div>
	<div>2</div>
	<div>3</div>
</div>

.容器 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(560px, 1fr));
  gap: 10px;
  flex-direction: column;
  overflow-y: scroll;
}