1 files changed, 29 insertions, 0 deletions
diff --git a/layout/reftests/details-summary/details-percentage-height-children-ref.html b/layout/reftests/details-summary/details-percentage-height-children-ref.html
new file mode 100644
index 0000000000..38404d59ce
--- /dev/null
+++ b/layout/reftests/details-summary/details-percentage-height-children-ref.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+   - http://creativecommons.org/publicdomain/zero/1.0/ -->
+
+<html>
+  <style>
+  div#details {
+    background-color: orange;
+    width: 500px;
+    height: 300px;
+  }
+  div#summary {
+    background-color: green;
+    width: 50%;
+    height: 40%;
+  }
+  div#inner {
+    background-color: cyan;
+    width: 50%;
+    height: 60%;
+  }
+  </style>
+  <body>
+    <div id="details">
+      <div id="summary">Summary: 40% height</div>
+      <div id="inner">Div: 60% height</div>
+    </div>
+  </body>
+</html>