gecko/layout/reftests/margin-collapsing/block-float-3b-dyn.html

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<style type="text/css">
#container {
 width: 110px;
 margin-left: auto;
}
#float1, #float2 {
 width: 100px;
 height: 20px;
 background-color: green;
}
#float1 {
 float: right;
 margin-bottom: 20px;
}
#float2 {
 margin-top: 10px;
}
</style>
<script type="text/javascript">
function test() {
 document.getElementById('float2').style.cssFloat = 'right';
 document.documentElement.removeAttribute('class');
}
document.addEventListener('MozReftestInvalidate', test, false);
</script>
</head>
<body>
<div id="container">
 <div id="float1"></div>
 <div id="float2"></div>
</div>
</body>
</html>