1 files changed, 31 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-non-sibling-3d.html b/layout/reftests/margin-collapsing/block-non-sibling-3d.html
new file mode 100644
index 000000000..60214d791
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-non-sibling-3d.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style type="text/css">
+#a {
+ background-color: green;
+ margin-bottom: 20px;
+}
+#a div {
+ height: 20px;
+ margin-bottom: 40px;
+}
+#b {
+ background-color: green;
+ margin-top: 80px;
+}
+#b div {
+ height: 20px;
+ margin-top: 10px;
+}
+</style>
+</head>
+<body>
+<div id="a">
+ <div></div>
+</div>
+<div id="b">
+ <div></div>
+</div>
+</body>
+</html>