1 files changed, 19 insertions, 0 deletions
diff --git a/layout/reftests/web-animations/stacking-context-animation-ref.html b/layout/reftests/web-animations/stacking-context-animation-ref.html
new file mode 100644
index 000000000..817056c1c
--- /dev/null
+++ b/layout/reftests/web-animations/stacking-context-animation-ref.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<title>Reference of testcases for bug 1273042</title>
+<style>
+span {
+  height: 100px;
+  width: 100px;
+  background: green;
+  position: fixed;
+  top: 50px;
+  z-index: -1;
+}
+#test {
+  height: 100px;
+  width: 100px;
+  background: blue;
+}
+</style>
+<span></span>
+<div id="test"></div>