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

This should work:

http://jsfiddle.net/94JNZ/1/

#content
{
    height: auto;
    width: 100%;
    position: absolute;
    top: 40px;
    bottom: 0;
}