JSFiddle - React, Tailwind, and code Playground

by Luke Marlow

HTML

<script src="https://code.jquery.com/jquery-1.11.3.min.js"></script>
<div class="container">
  <div class="block"></div>
</div>

CSS

.container {
  background: #000;
  height: 400px;
  width: 400px;
  position: relative;
  margin: 10px auto;
}
.block {
  position: absolute;
  height: 10px;
  width: 10px;
  left: 10px;
  top: 10px;
  background: #fff;
}