JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <h1>El color de fondo del texto se ajusta a este</h1>
</div>

CSS

div{
    width:250px;
}
h1{
    display:inline;
    background: black;
    color: white;
    font-size:3em;
    text-transform: uppercase;
    line-height: 1em;
}