css/css-backgrounds/background-attachment-local-scrolling.htm

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<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Scrolling when 'background-attachment: local'</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-attachment" />
        <meta name="assert" content="If 'background-attachment: local' the background scrolls along with the element's contents (the UA may treat 'background-clip: border-box' as the same as 'background-clip: padding-box')." />
        <style type="text/css">
            div
            {
                width: 2in;
                height: 2in;
                border: 50px double black;
                background-image: url("../support/cat.png");
                background-attachment: local;
                overflow: scroll;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the images of all the cats scroll when the box is scrolled. (Presence of cats behind the double border is UA dependent). </p>
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    </body>
</html>