1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-masking/mask-image/mask-size-contain-clip-padding-ref.html b/testing/web-platform/tests/css/css-masking/mask-image/mask-size-contain-clip-padding-ref.html
new file mode 100644
index 0000000000..041e48d03d
--- /dev/null
+++ b/testing/web-platform/tests/css/css-masking/mask-image/mask-size-contain-clip-padding-ref.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>CSS Masking: mask-size: mask layer size</title>
+    <link rel="author" title="Astley Chen" href="mailto:aschen@mozilla.com">
+    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
+    <style type="text/css">
+      #outer {
+        border: 1px solid black;
+        width: 64px;
+        height: 128px;
+      }
+
+      #inner {
+        border: 20px solid white;
+        width: 24px;
+        height: 88px;
+      }
+
+      #innermost {
+        width: 24px;
+        height: 24px;
+        background-color: purple;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="outer">
+      <div id="inner">
+        <div id="innermost"></div>
+      </div>
+    </div>
+  </body>
+</html>