width: height: (min: 100 -- max: 500 [measured in pixels])
[ Internet Explorer 6 on Windows shows abnormal behavior when making only the height change size.
IE will not move the graphics down to the bottom of the resized div as defined in the CSS.
Seems buggy to me. It works fine on Firefox 1.0 and Opera 7.54 - not sure on Mac browsers, yet. ]
Round Boxes
(inverted)

corner graphic corner graphic corner graphic corner graphic box 1
corner graphic corner graphic corner graphic corner graphic box 2
Round boxes
corner graphic corner graphic corner graphic corner graphic box 1
corner graphic corner graphic corner graphic corner graphic box 2