<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>CSS Test: Value of 'auto' is used for y dimension in 'background-size'</title>
    <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
    <link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-size" />
    <meta name="flags" content="" />
    <meta name="assert" content="An 'auto' value for y dimension in 'background-size' is resolved by using the image's intrinsic ratio and the size provided for the x dimension." />
    <style type="text/css">
        .test
        {
            width: 100px;
            height: 100px;
            background-repeat: no-repeat;
            background-image: url("../support/red_color.png");
            background-size: 50px auto;
        }
        .reference
        {
            margin-top: -100px;
            background: black;
            width: 50px;
            height: 50px;
        }
    </style>
    </head>
<body>
    <p>Test passes if there is no red visible on the page.</p>
    <div class="test"></div>
    <div class="reference"></div>
</body>
</html>