JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
  <div class="child child-1">ONE</div>
  <div class="child child-2">TWO</div>
</div>

CSS

*{
	margin: 0;
	padding: 0;
}

.parent{
  background-color: pink;
  height: 200px;
}

.child{
  font-size: 30px;
  width: 40%;
  display: inline-block;
}

.child-1{
  background-color: grey;
}

.child-2{
  background-color: yellow;
}