text: <!DOCTYPE html>
  <html lang="en">
  <head>
  	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  	<style>
  		body {
  			background: url('../1x1.jpg');
  		}
  	</style>
  	<script src="../../../dist/jquery.min.js"></script>
  </head>
  <body>
  	<script>
  		window.parent.iframeCallback();
  	</script>
  </body>
  </html>
  