layout/reftests/margin-collapsing/block-negative-1b.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

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