JSFiddle - React, Tailwind, and code Playground

by Chris Frolik

HTML

<div class="flex-group">
  <ul class="flex-container red">
    <li class="flex-item">1</li>
    <li class="flex-item">2</li>
    <li class="flex-item">3</li>
  </ul>

  <ul class="flex-container gold">
    <li class="flex-item">1</li>
    <li class="flex-item">2</li>
    <li class="flex-item">3</li>
    <li class="flex-item">4</li>
    <li class="flex-item">5</li>
  </ul>

  <ul class="flex-container blue">
    <li class="flex-item">1</li>
    <li class="flex-item">2</li>
    <li class="flex-item">3</li>
    <li class="flex-item">4</li>
    <li class="flex-item">5</li>
    <li class="flex-item">6</li>
    <li class="flex-item">7</li>
    <li class="flex-item">8</li>
  </ul>
<div>

CSS

.flex-group {
  display: flex;
  flex-direction: row;
  height: 500px;
}

.flex-container {
  padding: 0;
  margin: 0;
  list-style: none;
  border: 1px solid silver;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  flex: 0 0 auto;
}

.red li {
  background: red;
}

.gold li {
  background: gold;
}

.blue li {
  background: deepskyblue;
}

.flex-item {
  padding: 5px;
  width: 100px;
  height: 100px;
  margin: 10px;
  
  line-height: 100px;
  color: white;
  font-weight: bold;
  font-size: 2em;
  text-align: center;
}