... when playing around with journal look always write down what your original style was, otherwise you'll spend more time than you have to spare, trying to find it again, or alternatively give up in exasperation, and decide "what the heck, let's go with a new look".
P.S. Thank you LJ masters for designing LJ headers for dummies. Now I must go away and make a proper header. Damn, no studying for me this afternoon. ::prepares to look at many pretty pictures::