Do anyone no how to turn my layout into a default layout with the center black and with txt color?

IM TRYING TO MACK AND DESIGN MY LAYOUT I DID MACK ONE ONE PIMP-MY-PROFILE NOW IN TRYING TO TURN IT INTO A DEFAULT THE ONES THAT LOOK LIKE THIS IN THE CENTER http://default-layouts.com/mosaic-layouts.php BUT I WANT TO HAVE MY OWN TXT COLOR AND THE CENTER TO BE BLACK I WANT MY LAYOUT I MADE BE A DEFAULT PLZ HELP HELP HELP ME MY MYSPACE GOTTA BE ON POINT