1 files changed, 24 insertions, 0 deletions
diff --git a/layout/reftests/css-animations/stacking-context-paused-on-transform-none.html b/layout/reftests/css-animations/stacking-context-paused-on-transform-none.html
new file mode 100644
index 000000000..cd0290849
--- /dev/null
+++ b/layout/reftests/css-animations/stacking-context-paused-on-transform-none.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<title>
+Transform animation creates a stacking context even though it's paused on
+a 'transform:none' keyframe
+</title>
+<style>
+span {
+  height: 100px;
+  width: 100px;
+  position: fixed;
+  background: green;
+  top: 50px;
+}
+@keyframes TransformNone {
+  from, to { transform: none }
+}
+#test {
+  width: 100px; height: 100px;
+  background: blue;
+  animation: TransformNone 100s paused;
+}
+</style>
+<span></span>
+<div id="test"></div>