JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Hola</h1>
<h1 class="go">Hola</h1>

CSS

h1 {
font-size: 22px;
color: #555;
font-weight: 400;
}

h1.go {
font-size: 18px;
color: #555;
font-weight: 200;
}