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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Animations Test: animation-fill-mode - both</title>
+<link rel="author" title="Intel" href="http://www.intel.com">
+<link rel="reviewer" title="Zhiqiang Zhang" href="mailto:zhiqiang.zhang@intel.com"> <!-- 2015-05-07 -->
+<link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-name">
+<link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-duration">
+<link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-delay">
+<link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-fill-mode">
+<meta name="flags" content="animated">
+<meta name="assert" content="Check if animation-fill-mode is set to both,
+                             the effects of both 'forwards' and 'backwards' will apply.">
+<style>
+  div {
+    animation-name: sample;
+    animation-duration: 5s;
+    animation-delay: 5s;
+    animation-fill-mode: both;
+
+    background-color: blue;
+    height: 100px;
+    width: 100px;
+    position: relative;
+  }
+  @keyframes sample {
+    from {
+      background-color: yellow;
+    }
+    to {
+      background-color: green;
+    }
+  }
+</style>
+<body>
+  <p>
+    Test passes if there is a filled color square with 'Filler Text',
+    whose color gradually changes in the order:
+    YELLOW to GREEN.
+  </p>
+  <div>Filler Text</div>
+</body>
+