options.html

<html>
  <head>
    <title>Google Meet PTT</title>
    <script type="text/javascript" src="options.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
    <link rel="stylesheet" href="options.css">
  </head>
  <body>
    <div class="center">
            <h1 style="width: 100%; display:inline-block; text-align: center">Google Meet PTT</h1>
        </div>
    <div class="center" id="handContainer">
        <i class="fa fa-microphone" id="hand"></i>
    </div>
    <div class="center">
        <label style="text-align: center; display:inline-block">To configure a your key for enabling push to talk, please click the text area and press the hotkey you want.</label>
        <input type="text" id="pttButton" style="width: 100%">
   </div>
  </body>
</html>