<!DOCTYPE html>
<html>
<style>
:before {
    -webkit-animation-name: name1;
    -webkit-animation-duration: 8s;
    -webkit-animation-timing-function: ease-in ! important;
    @-webkit-keyframes name1 {
        from {
            margin-bottom: auto;
        }
        to {
            margin-bottom: 256in;
        }
    }
};
</style>
<body>
<noscript></noscript>
<script>
if (window.testRunner) {
    testRunner.waitUntilDone();
    testRunner.dumpAsText();
    setTimeout(() => testRunner.notifyDone(), 50);
}
document.body.offsetLeft;
document.body.innerHTML = "This test passes if it doesn't assert or crash";
</script>