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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: Containing Blocks - Block-level elements position based on right-to-left direction and parent element is fixed</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
		<link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-10-10 -->
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
		<link rel="match" href="containing-block-020-ref.xht" />

        <meta name="assert" content="When the nearest (closest within document containment hierarchy) positioned ancestor of an absolutely positioned element is a block-level element, then the containing block of such absolutely positioned element is formed by the padding edge of such nearest positioned ancestor." />
        <style type="text/css">
            div
            {
                border: solid black;
                padding: 1in;
                position: fixed;
                width: 0;
            }
            span
            {
                display: block;
            }
            #span1
            {
                direction: rtl;
            }

			/*
			The span#span1 element determines, conditions (§10.3.7 and
			§10.6.4) the 'top: auto' and 'left: auto' coordinates while the
			wrapping div's padding box forms the containing block
			geometry/area.
			*/

            span span
            {
                background: blue;
                height: 1in;
                left: auto;
                position: absolute;
				top: auto;
                width: 1in;
            }
        </style>
    </head>
    <body>
        <p>Test passes if a filled blue square is in the <strong>lower-left corner</strong> of an hollow black square.</p>
        <div>
            <span id="span1">
                <span></span>
            </span>
        </div>
    </body>
</html>