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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>CSS test: fixed positioning makes a stacking context</title>
+
+    <link rel="help" href="http://www.w3.org/TR/CSS22/visuren.html#z-index" title="9.9.1 Specifying the stack level: the 'z-index' property" />
+    <link rel="help" href="http://www.w3.org/TR/CSS22/changes.html#s.9.9.1" title="C.1 Changes since the Recommendation of 7 June 2011" />
+    <meta name="assert" content="auto The stack level of the generated box in the current stacking context is 0. If the box has 'position: fixed' or if it is the root, it also establishes a new stacking context." />
+    <link rel="match" href="fixed-pos-stacking-001-ref.xht" />
+    <link rel="author" title="Bert Bos" href="mailto:bert@w3.org" />
+
+
+    <style type="text/css">
+      div {width: 5em; height: 2em}
+
+      /* absolute with 'z-index: auto' does not create a stacking context */
+      #absolute {position: absolute; left: 1em; top: 3em; background: green}
+      #absolute div {position: absolute}
+      #absolute div div {position: absolute; z-index: -1; background: red}
+
+      /* fixed with 'z-index: auto' *does* create a stacking context */
+      #fixed {position: fixed; left: 10em; top: 3em; background: red}
+      #fixed div {position: absolute}
+      #fixed div div {position: absolute; z-index: -1; background: green}
+    </style>
+  </head>
+
+  <body>
+    <p>There should be no red.</p>
+
+    <div id="absolute">
+      <div>
+	<div></div>
+      </div>
+    </div>
+
+    <div id="fixed">
+      <div>
+	<div></div>
+      </div>
+    </div>
+  </body>
+</html>