Compound relative and pixel sizes for box sizes (was: suggestions)

> I first sent this to another list, they pointed me here. I also forgot to 
> add a topic line. I have a suggestion for an addition to the Height and 

Real topic line added.

> Width properties as it applies to the box model. I would like to see the 
> following.
> 
> Basically put: Height: 100% - Xpx;

At least one reason one this might not be taken seriously is that the use
of even pure pixel sizes is discouraged as it makes to many assumptions
about the technology used to view the material and the viewers eyesight.

You might be able to simulate it using margins and padding.