<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
    <head>
        <title>CSS Test: Box centering with 'margin-left' and 'margin-right' set to auto</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#blockwidth">
        <meta name="flags" content="ahem">
        <meta name="assert" content="When 'margin-left' and 'margin-right' are set to auto and the element has a 'width' then the box will be centered.">
        <style type="text/css">
            #div1
            {
                border: solid black;
                height: 2in;
                width: 2in;
            }
            #div2
            {
                background-color: orange;
                border-color: orange;
                border-style: solid;
                border-width: 0 0.25in;
                margin: 0 auto;
                padding: 0;
                height: 1in;
                width: 0.5in;
            }
            #div3
            {
                color: blue;
                font: 1in/1em Ahem;
                text-align: center;
            }
        </style>
    </head>
    <body>
        <p>Test passes if the blue and orange boxes are the same width and the blue box is directly below the orange box.</p>
        <div id="div1">
            <div id="div2"></div>
            <div id="div3">X</div>
        </div>
    </body>
</html>