1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-backgrounds/background-margin-iframe-root-ref.html b/testing/web-platform/tests/css/css-backgrounds/background-margin-iframe-root-ref.html
new file mode 100644
index 0000000000..e7f00b00e8
--- /dev/null
+++ b/testing/web-platform/tests/css/css-backgrounds/background-margin-iframe-root-ref.html
@@ -0,0 +1,16 @@
+<!doctype HTML>
+<iframe srcdoc="
+<!doctype HTML>
+<style>
+  div {
+    background: linear-gradient(lightblue, yellow);
+    background-size: 300px 300px;
+    background-position: 50px 50px;
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+  }
+</style>
+<div></div>"></iframe>