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diff --git a/catapult/third_party/polymer/components/shadycss/tests/media-query.html b/catapult/third_party/polymer/components/shadycss/tests/media-query.html
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+<!doctype html>
+<!--
+@license
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+<html>
+
+<head>
+
+  <meta charset="utf-8">
+  <script>
+    WCT = { waitFor: function (cb) { HTMLImports.whenReady(cb) } }
+  </script>
+  <script src="./test-flags.js"></script>
+  <script src="../node_modules/wct-browser-legacy/browser.js"></script>
+  <script src="../node_modules/@webcomponents/webcomponents-platform/webcomponents-platform.js"></script>
+  <script src="../node_modules/es6-promise/dist/es6-promise.auto.min.js"></script>
+  <script src="../node_modules/@webcomponents/template/template.js"></script>
+  <script src="../node_modules/@webcomponents/html-imports/html-imports.min.js"></script>
+  <script src="../node_modules/@webcomponents/shadydom/shadydom.min.js"></script>
+  <script src="../node_modules/@webcomponents/custom-elements/custom-elements.min.js"></script>
+  <script src="../scoping-shim.min.js"></script>
+  <script>
+    if (customElements.polyfillWrapFlushCallback) {
+      // delay definition of custom-style until after template polyfill loads
+      customElements.polyfillWrapFlushCallback(function (cb) {
+        HTMLImports.whenReady(cb);
+      });
+    }
+  </script>
+  <script src="module/generated/make-element.js"></script>
+  <title>Media Querty</title>
+
+</head>
+
+<body>
+  <template id="simple-element">
+    <style>
+      :host {
+        height: 100px;
+        width: 100px;
+        display: block;
+        background-color: var(--color, rgb(0, 0, 0));
+      }
+      @media (min-width: 1px) and (max-width: 1px) {
+        :host {
+          --color: rgb(128, 128, 128);
+        }
+      }
+    </style>
+  </template>
+  <script>
+    suite('Media Query correctness', function() {
+      makeElement('simple-element');
+      test('test against whole @media rule', function() {
+        var el = document.createElement('simple-element');
+        document.body.appendChild(el);
+        let bg = getComputedStyle(el).getPropertyValue('background-color').trim();
+        assert.equal(bg, 'rgb(0, 0, 0)', 'background-color did not match');
+      });
+    });
+  </script>
+</body>
+</html>
+\ No newline at end of file