JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
  <div class="child" style="height: 150px;">
    1
  </div>
  <div class="child" style="height: 60px;">
    2
  </div>
  <div class="child" style="height: 40px;">
    3
  </div>
  <div class="child" style="height: 70px;">
    4
  </div>
  <div class="child" style="height: 30px;">
    5
  </div>
    <div class="child" style="height: 60px;">
    2
  </div>
  <div class="child" style="height: 40px;">
    3
  </div>
  <div class="child" style="height: 70px;">
    4
  </div>
  <div class="child" style="height: 30px;">
    5
  </div>
</div>

CSS

.parent {
  background-color: #ccc0;
  column-count: 2;
  column-gap: 1em;
}
.child {
  width: 100%;
  background-color: #3c434f;
  margin: 2%;
  display: inline-block;
  text-align: center;
  color: #fff;
}