css help any1...

hii i am struggling so bad with css >-< it is so hard !! if anyone could help me out id appreciate it so much !!
im mostly looking to find out how to do the following:
remove the about me thing :(
add a lil picture in the corner !!
edit the bar on the top !!
minimize the size of my blinkies
round my friends' profile pictures
change the color of everything thats like.... light blue
if anyone could help me with any of dis i would appreciate it !!!!! :D