JSFiddle - React, Tailwind, and code Playground

HTML

<body>

<h1>CSS font-family</h1>
<p class="serif">This is a paragraph, shown in the Times New Roman font.</p>
<p class="sansserif">This is a paragraph, shown in the Arial font.</p>

</body>

CSS

<style>
p.serif {
  font-family: "Times New Roman", Times, serif;
}

p.sansserif {
  font-family: Arial, Helvetica, sans-serif;
}

</style>