<!DOCTYPE html>
<html>
    <head>
        <title>CSS Test: color-filter reference</title>
        <link rel="author" title="Apple" href="http://www.apple.com/">
        <style type="text/css">
            .test
            {
                font: 100px Ahem;
                color: white;
                width: 200px;
                height: 200px;
                columns: 2;
                column-rule-width: 100px;
                column-rule-color: green;
                column-rule-style: solid;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is a vertical green bar below.</p>
        <div class="test">A A</div>
    </body>
</html>