1 files changed, 21 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-first-child-3-ref.html b/layout/reftests/margin-collapsing/block-first-child-3-ref.html
new file mode 100644
index 000000000..2a2d8d9bf
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-first-child-3-ref.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style type="text/css">
+#separator {
+ height: 20px;
+ background-color: green;
+}
+#first-child {
+ height: 20px;
+ background-color: blue;
+}
+</style>
+</head>
+<body>
+<div id="separator"></div>
+<div id="parent">
+ <div id="first-child"></div>
+</div>
+</body>
+</html>