Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
<h2>Test</h2>

CSS

h2::before {
  font-family: "Font Awesome 5 Free";
  content: "\f133";
  font-weight: 400;
}

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JSFiddle - React, Tailwind, and code Playground

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