JSFiddle - React, Tailwind, and code Playground

by Valentin Sarychev

HTML

<div class="flex">
  <div class="a">
    asdfasfasdfas
  </div>
  <div class="b">

  </div>
</div>

CSS

.flex {
  display: flex;
  flex-flow: column nowrap;
}

.a {
  background: red;
}

.b {
  background: blue;
  height: 50%;
}