JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
  <head>
    <style>
      input.mandatory {
        padding: 2px;
        height: 30px;
        width: 200px;
        background-image: url("http://www.fileformat.info/info/unicode/char/002a/asterisk.png");
        background-position: 160px -10px;
        background-repeat: no-repeat;
        background-size: 30%;
      }
      </style>
  </head>
  <body>
    <input class='mandatory' type='text' placeholder='Username'>
  </body>
</html>