popup.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <link rel="stylesheet" href="popup.css" />
  </head>
  <body>
    <header>
      <div class="hc">
        <h1 id="hname" class="prevent-select">__MSG_plug_name__</h1>
        <button id="automatic" class="on" title="Automatic mode" aria-label="Automatic" hidden></button>
        <button id="options" title="Options" aria-label="Options"></button>
      </div>
      <div class="hc">
        <div class="ht" id="htitle"></div>
      </div>
    </header>
    <main>
      <div class="hc">
        <button id="videoAction">Video</button>
      </div>
      <div id="pdebug" hidden></div>
      <div class="spacer"></div>
    </main>
    <script src="popup.js" type="module"></script>
  </body>
</html>