Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<style type="text/css">
#separator {
height: 20px;
background-color: green;
}
#parent {
background-color: green;
margin-top: 10px;
}
#first-child {
margin-top: 20px;
}
#last-child {
height: 20px;
margin-top: 15px;
}
</style>
<script type="text/javascript">
function test() {
document.getElementById('first-child').style.marginBottom = '30px';
document.documentElement.removeAttribute('class');
}
document.addEventListener('MozReftestInvalidate', test);
</script>
</head>
<body>
<div id="separator"></div>
<div id="parent">
<div id="first-child"></div>
<div id="last-child"></div>
</div>
</body>
</html>