org/TR/CSS21/box.html#propdef-margin-top" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#margin-properties" />
		<link rel="match" href="../reference/ref-no-vert-space-between.xht" />

        <meta name="assert" content="The 'margin-top' property sets a zero length value in centimeters." />
        <style type="text/css">
            #div1
            {
                border-top: 5px solid blue;
            }
            #div2
            {
                border-top: 5px solid oran