CSS Positioning - Version 2a
Main div positioned 0,0 and contains the other three divs.
A is id:tl for top-left
B is id:tc for top-center
C is id:tr for top-right
A
B
C
D
E
F
G
H
I
version 2b
version 1c
version 1b
version 1a
This version positions things as I wanted back with version 1a