<html class="reftest-wait"><head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Testcase for bug 1239564</title> <style> #circle { border-radius: 300px; height: 80px; width: 80px; background-color: red; margin: auto; position: absolute; left: 0; right: 0; top:0; bottom: 0; will-change: transform; } </style> <body> <div id="circle"></div> <script> var c = document.getElementById('circle'); function doTest() { c.style.transform = "translateZ(1px) scale(3)"; document.documentElement.removeAttribute('class'); } document.addEventListener("MozReftestInvalidate", doTest, false); </script> </body></html>