<html>
<head>
<title>Success!</title>
<meta name='viewport' content='width=device-width, initial-scale=1,
    user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
<link rel="stylesheet" href="/_matrix/static/client/register/style.css">
<script>
if (window.onAuthDone) {
    window.onAuthDone();
} else if (window.opener && window.opener.postMessage) {
     window.opener.postMessage("authDone", "*");
}
</script>
</head>
<body>
    <div>
        <p>Thank you</p>
        <p>You may now close this window and return to the application</p>
    </div>
</body>
</html>