Fixed positioned div within a relative parent div

Question

I am currently building a responsive website and need a menu to be fixed, thus not scrolling when the rest of the site scrolls. the issue is that it is a fluid layout and i

Answer 1

This question came first on Google although an old one so I'm posting the working answer I found, which can be of use to someone else.

This requires 3 divs including the fixed div.

HTML

CSS

.wrapper { position:relative; width:1280px; }
    .parent { position:absolute; }
        .child { position:fixed; width:960px; }