the used width divided by the ratio when an absolutely positioned replaced element has an intrinsic ratio, 'height' is set to 'auto', with over-constrained values solves for 'bottom'.">
        <style type="text/css">
            #div1
            {
                border-top: solid black;
                position: relative;
            }
            div div
            {
                background: blue;
                height: 1in;
                left: 1in;
                position: absolute;
           