Yeah I'm 99% positive you can't alter your profile like that. It looks pretty cool, and you definitely showed off your coding skills, but it obstructs the view of the site.
Originally posted by the SMWC Rules pageDo not use HTML, CSS or similar in a way that hinders anyone's ability to navigate and use the site, for example creating horizontal scrollbars, letting your layout go outside the post, or letting parts of your layout cover the post. This includes your profile page.
It's just that this isn't a personal blog site where you're meant to be able to completely personalize everything you have at your disposal.