layout/reftests/margin-collapsing/block-overflow-4-ref.html

<!DOCTYPE html>
<html>
<head>
<style type="text/css">
.separator {
 height: 20px;
 background-color: blue;
}
#overflow {
 overflow: auto;
 height: 160px;
 margin: 20px 0;
 padding-top: 40px;
 background-color: lightgreen;
}
#child {
 height: 160px;
 background-color: green;
}
#margin {
 height: 40px;
}
</style>
</head>
<body>
<div class="separator"></div>
<div id="overflow">
 <div id="child"></div>
 <div id="margin"></div>
</div>
<div class="separator"></div>
</body>
</html>