gecko-dev/layout/reftests/margin-collapsing/block-no-content-3-ref.html

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249 B
HTML

<!DOCTYPE html>
<html>
<head>
<style type="text/css">
#a {
height: 20px;
background-color: green;
margin-bottom: 30px;
}
#b {
background-color: blue;
height: 20px;
}
</style>
</head>
<body>
<div id="a"></div>
<div id="b"></div>
</body>
</html>