Originally Posted by Jellby
The "right" margin probably depends on the screen size, orientation, text size, and bezel size/shape. There has to be a minimum margin (1mm?) plus something proportional to the text size (1em?), but that is never more than some percentage of the screen width or height (5%?). But elaborate formulas like this cannot be coded with css
i am sure you can figure out some kind of crazy css hack to take every factor into account. i'll just wait for you to post the code in the epub code snippets thread.