CSS, nested divs & margins vs. padding

Question

i totally understand the box model. this question is more about trying to pin down a semantic methodology regarding when to use margins and when to use padding.

her

Answer 1

This is a bug in css, here are examples:

http://creexe.zxq.net/div-issue-padding.html = padding issue

http://creexe.zxq.net/div-issue-margin.html = margin issue

the red and green div tags in the examples were created by the css property TOP,but it has its own disadvantages athat TOP,BOTTOM etc works only when the position of the div tag is Absolute and relative, but not static