Div height 100% excluding header

Question

Ok so I know this topic has many questions, but I still haven\'t been able to figure exactly how to make this work. This is close to the problem, but its not working for m

Answer 1

You can use box-sizing property for this

Check this:

http://jsfiddle.net/Gn8zN/1/

Another simple & best solution

Check this:

http://jsfiddle.net/B8J2H/