index.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <!-- displays site properly based on user's device -->

    <link
      rel="icon"
      type="image/png"
      sizes="32x32"
      href="./images/favicon-32x32.png"
    />

    <title>Frontend Mentor | Calculator app</title>

    <!-- Feel free to remove these styles or customise in your own stylesheet 👍 -->
    <style>
      .attribution {
        font-size: 11px;
        text-align: center;
      }
      .attribution a {
        color: hsl(228, 45%, 44%);
      }
    </style>
  </head>
  <body>
    <noscript>You need to enable JavaScript to run this app.</noscript>
    <div id="root"></div>

    <script src="/src/index.tsx" type="module"></script>
  </body>
</html>