Position:absolute in primary layouts is pure poison. And it's totally ill-suited for use in Responsive Web Designs. That's why you're having such a hard time with this. Get rid of positioning. You don't need it. Oh and negative margins are a really bad idea, too. Stay away from positioning until you fully understand its consequences. Here's why: http://www.apptools.com/examples/pagelayout101.php
Going forward, learn to use CSS floats, margins & padding without the negative values.
Nancy O.