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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: Clip using 'ex' units with a negative zero value, -0ex</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#propdef-clip" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#clipping" />
        <link rel="match" href="../reference/no-red-on-blank-page-ref.xht"/>
        <meta name="flags" content="ahem" />
        <meta name="assert" content="The 'clip' property sets a negative zero value, in 'ex' units, for all sides of the clipping rectangle." />
        <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
        <style type="text/css">
            div
            {
                background: red;
                clip: rect(-0ex, -0ex, -0ex, -0ex);
                font: 20px/1 Ahem;
                height: 1in;
                position: absolute;
                width: 1in;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is no red visible on the page.</p>
        <div></div>
    </body>
</html>