<html xmlns="
http://www.w3.org/1999/xhtml" class="reftest-wait">
<style id="sty">
html::before {
content: "before text";
float: right;
}
</style>
<script>
function boom()
{
var sty = document.getElementById("sty");
sty.appendChild(document.createTextNode(" "));
document.documentElement.removeAttribute("class");
}
setTimeout(boom, 30);
</script>
</html>
