5 <style type="text/css" media="screen">
7 border: 10px solid black;
11 -webkit-box-shadow: 0 0 20px black;
18 background-color: blue;
19 transform: translateZ(0);
29 <!-- The nested iframe inside invisible iframe should not set itself as the root layer. -->
30 <div style="display: none;">
31 <iframe src="resources/intermediate-frame.html"></iframe>