JSFiddle - React, Tailwind, and code Playground

HTML

<html>

  <head>
    <style>
      .button {
        background-color: #4CAF50;
        border: none;
        color: white;
        padding: 15px 32px;
        text-align: center;
        text-decoration: none;
        display: inline-block;
        font-size: 16px;
        margin: 4px 2px;
        cursor: pointer;
      }

    </style>
  </head>

  <body>
    <div id="top-div">
      <div class="special-div">
        <h1 style="color:blue; font-family:courier">
          <span class="class1 class2 class3" style="background-color:orchid; color:white; 
           font-size:50%; font-family:verdana; 
           text-align:center;">This is text in a span!</span>This is the h1 text!</h1>
        <div>
          <button class="button" type="button">You can click me, but I don't do anything</button>
        </div>
      </div>
    </div>
  </body>

</html>