Problems implimenting

I’ve designed this site from scratch using CSS and have validated that it works fine in IE and in Firefox.

https://pylorns.boldlygoingnowhere.org/settlement/

but, when I try to put it into wordpress it doesnt even display (just shows background) with ie and its messed up in firefox. ie div’s are off.

https://pylorns.boldlygoingnowhere.org/settlement/wp/

any thoughts?