JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
  <div class="column-5 border-light">
    column 1
  </div>
  <div class="column-5 border-light">
    column 2
  </div>
</div>

CSS

.column-5{width:50%; float:left;}
.border-light { border: 1px solid black; }