Sorry, I feel like such a noob but I'm having trouble aligning my LJ layout.

This is my LJ
http://cari-me.livejournal.com/

And I want it to look somewhat like this page, http://241dani.livejournal.com/, I just want to know how to get everything in the center.

Help is much appreciated

The simplest thing to do would be to go to this page:
http://www.livejournal.com/customize/s1/

Scroll down to "Navigation Strip," and uncheck "Always show on my journal/community."