JSFiddle - React, Tailwind, and code Playground

by mnk

HTML

<div class="container">
  <div class="topelem"></div>
</div>

CSS

.container {
  height: 800px;
  width: 100%;
  background-color: #aaa;
}

.topelem {
  height: 100px;
  background-color: tomato;
}