l="help" href="http://www.w3.org/TR/CSS21/box.html#propdef-border-top-width" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#border-width-properties" />
		<link rel="match" href="../reference/ref-if-there-is-no-red.xht" />

        <meta name="assert" content="The 'border-top-width' property supports a minimum length value in pixels that that has a minus sign before it." />
        <style type="text/css">
            div
            {
                border-top-style: solid;
          