JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<style>
  body {
    font-family: monospace;
    letter-spacing: 0;
    word-spacing: 0;
    font-size: 32px; /* large enough to see the effect */
  }
  div:last-of-type:before {
    content: " ";
    white-space: pre;
  }
</style>
<div>123456</div>
<div>abcdef</div>