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+++ b/layout/reftests/w3c-css/submitted/masking/clip-path-mix-blend-mode-1.html
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>CSS Masking: clip-path with mix-blend-mode</title>
+    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">
+    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
+    <link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-clip-path">
+    <link rel="match" href="clip-path-mix-blend-mode-1-ref.html">
+    <meta name="assert" content="Test checks whether clip-path works with mix-blend-mode correctly or not.">
+    <style type="text/css">
+      div {
+        position: absolute;
+        width: 100px;
+        height: 100px;
+      }
+
+      div.foreground {
+        background-color: rgb(255,0,255);
+        clip-path: url(#top_left);
+        z-index: 100;
+        mix-blend-mode: multiply;
+      }
+
+      div.background {
+        background-color: rgb(0,255,255);
+      }
+    </style>
+  </head>
+  <body>
+    <div class="foreground"></div>
+    <div class="background"></div>
+    <svg height="0" width="0">
+      <defs>
+        <clipPath id="top_left">
+          <rect x="0" y="0" width="50" height="50"/>
+        </clipPath>
+      </defs>
+    </svg>
+  </body>
+</html>