JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8"/>
    <title>Advanced HTML text: Task 2</title>
    <style>
      body {
        background-color: #fff;
        color: #333;
        font: 1em / 1.4 Helvetica Neue, Helvetica, Arial, sans-serif;
        padding: 1em;
        margin: 0;
      }

      h1 {
        font-size: 2rem;
        margin: 0;
        color: purple;
      }

      p {
        margin: 0.5em 0;
      }

      abbr, time {
        color: green;
      }
    </style>
  </head>

  <body>

    <h1>Advanced text semantics</h1>

    <p>Let's start with a quote:</p>
    <blockquote cite="https://developer.mozilla.org/en-US/docs/Learn/Accessibility"> By default, <abbr title="Hypertext Markup Language"> HTML</abbr> is accessible, if used correctly.</blockquote>

    <p><abbr title="Cascading Style Sheet">CSS</abbr> can also be used to make web pages more, or less, accessible.</p>

    <p>Chemical Formulae: H<sub>2</sub>O (Water), C<sub>2</sub>H<sub>6</sub>O (Ethanol).</p>

    <p>Dates: <time datetime= "2019-12-25">December 25<sup>th</sup> 2019</time> (Christmas Day), <time datetime= "2019-11-02">November 2<sup>nd</sup> 2019</time> (DĂ­a de los Muertos).</p>

  </body>

</html>