1 <body style="margin: 0; padding: 100px;">
2 <div style="width: 100px; height: 100px; background-color: red;"></div>
3 <div style="width: 100px; height: 100px; -webkit-writing-mode: horizontal-bt; -webkit-transform: translatez(0)">
4 <div style="-webkit-margin-before: 100px; height: 100px; background-color: green;"></div>
6 <pre id="console"></pre>
8 if (window.layoutTestController) {
9 layoutTestController.dumpAsText();
10 document.getElementById("console").appendChild(document.createTextNode(layoutTestController.layerTreeAsText()));