CSS2 8.1 Box dimensions tells us that margins are transparent while paddings have background-color.
Shows the background-color of the dl for the marker area - uses margin to indent definition items.
Shows the background-color of the dl for the marker area - uses margin to indent definition items.
Has different margin setting than Gecko/IE6
Does not show the background-color of the dl for the indented area.
Shows the color/background-color of the dl as the color/background-color of the dt and dd instead of the defined values.
Adjustments achieve xb appearance
No effect on color/background-colors of margin/padding however removes the indentation of the list. These rules should be excluded from NN4