JSFiddle - React, Tailwind, and code Playground

HTML

<div class="one"></div>
<div class="two"></div>

CSS

div {
  width: 300px;
  height: 200px;
}

.one {
  margin-bottom: 10px;
  background-color: blue;
}

.two {
  margin-top: 20px;
  background-color: red;
}