4 <style type="text/css">
11 -webkit-transform: translateZ(0);
15 border: 40px solid black;
16 box-shadow: black 0 0 20px; /* Makes compositing layer larger */
17 background-color: red;
25 -webkit-transform: translateZ(1px);
37 background-color: green;
48 background-color: blue;
52 opacity: 0; /* hide from pixel test */
53 height: 10px; /* avoid scrollbars */
58 <script type="text/javascript" charset="utf-8">
59 if (window.testRunner)
60 testRunner.dumpAsTextWithPixelResults();
62 function dumpLayerTree()
64 if (window.testRunner)
65 document.getElementById('layer-tree').innerText = window.internals.layerTreeAsText(document);
68 window.addEventListener('load', dumpLayerTree, false);
73 <!-- Both boxes should look the same. You should see no red. -->
74 <div class="main box">
76 <div class="negative child"></div>
79 <div class="main box" style="overflow: hidden;">
81 <div class="negative child"></div>
84 <pre id="layer-tree"></pre>