JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="ru">

  <head>
    <title>Алексей полянский - Програмист</title>
    <style type="text/css">
      html,
      body {
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        font-family: sans-serif;
      }

      h1 {
        color: green;
      }

    </style>
  </head>

  <body>
    <h1>Алексей Полянский</h1>
    <h2>Програмист</h2>
  </body>

</html>