Add external CSS in window.open

i add div to new document but it not added css. it only added start to body tag.

<script>

function nWin() {
  var w = window.open();
 
  var html = $(".drag-right").html();
 
    $(w.document.body).html(html);
	
	$(w.document.body).addClass('html-content');
	
	//$(w.document.body).prepend('<link rel="stylesheet" href="css/style2.css" type="text/css" />');

	
}


    $(".live").click(nWin);



</script>