12 background-color: green;
16 transform: translateZ(0);
17 background-color: blue;
23 background-color: yellow;
24 transform: translateZ(0);
27 <script type="text/javascript">
28 if (window.testRunner) {
29 testRunner.waitUntilDone();
34 if (window.internals) {
35 window.internals.forceCompositingUpdate(document);
37 // Move green div so that it overlaps the yellow div, and hence
38 // needs its own backing.
39 document.getElementById("outer").style.left = "0px";
40 if (window.testRunner) {
41 testRunner.notifyDone();
45 window.addEventListener('load', doTest, false);
51 <div id="inner"></div>
53 <div id="overlap"></div>