layout/reftests/margin-collapsing/block-zero-height-2c-ref.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

<!DOCTYPE html>
<html>
<head>
<style type="text/css">
html, body {
 margin-top: 0;
}
#a {
 margin-top: 30px;
 height: 10px; width: 100px;
 background-color: red;
}
#b {
 height: 20px;
 background-color: green;
 margin-top: 30px;
}
</style>
</head>
<body>
<div id="a"></div>
<div id="b"></div>
</body>
</html>