JSFiddle - React, Tailwind, and code Playground

HTML

<body>
I &lt; <em>&hearts;</em> &gt; &amp; SF &rarr;
  </body>

CSS

em{
   font: 60 px 'Times New Roman';
   color:red;
  }
    
html{
   font: 40 px 'Times New Roman';
    }