JSFiddle - React, Tailwind, and code Playground

by AlexandrAbakumov

HTML

<div class="container">
  <div class="bg"></div>
  <div class="content">Test content</div>
</div>

CSS

.container {
  background-color: green;
}

.bg {
  background-color: red;
  height: 20px;
  position: absolute;
  /*position: relative;*/
}

.content {
  /*background-color: transparent;*/
  height: 50px;
  width: 100px;
}