JSFiddle - React, Tailwind, and code Playground

by Marwelln

HTML

<!DOCTYPE html>
<html>
<head>
<style>
.center {
  border: 1px solid black;
  width: 100%;
  overflow: auto;
    box-sizing: border-box
}

.left {
  border: 1px solid black;
  width: 20%;
  float: left;
    box-sizing: border-box
}

.right {
  border: 1px solid black;
  width: 80%;
  float: left;
    box-sizing: border-box
}
</style>
</head>
<body>
<div class="center">
  <div class="left">left</div>
  <div class="right">right</div>
</div>
</body>
</html>