I've got some basic self-learned experience when it comes to coding in CSS and HTML. I'm currently running a Wordpress blog (www.freshbornmarket.com), and the CSS edits i'm trying to make are more complicated than anything i've messed around with before.
What I'm trying to do is have that black navigation bar hang over each side (see bottom image). By lengthening it, i can make it float over one side at a time, but not both. The bar is contained by a content div with 20px padding on each side.
Any idea how I could achieve this look? Sorry about the large images.