inspector_display-type.html

Enable keyboard shortcuts

<html>

<head>

<body>

    <div id="inline-block" style="display: inline-block">

      HELLO WORLD

    </div>

    <div id="grid" style="display: grid"></div>

    <div id="block" style="position: fixed"></div>

    <script>

       "use strict";

       window.onload = () => {

         window.opener.postMessage("ready", "*");

};

     </script>

</body>

</html>