JSFiddle - React, Tailwind, and code Playground

HTML

<div class="contenedor">
  
  <div class="rojo">
  Hola
  </div>
  
  
</div>

CSS

.contenedor {text-align: center;}

.contenedor>div {display: inline-block;}

.rojo {background-color: red; width: 200px; height:100px;}