I had an elaborate workaround for dealing with ie5win when it really mattered that all three line up, but that's out the door now. Help, please, mac folk. Play with the code and identify the cause. Doesn't occur in o5.02win. But here's the catch, the right side of the middle box is never 190px away from anything, which is the correct distance.
Right box is unaffected because it is set absolute right.
Run around the block. Punch a soft wall. David Bowie Singles on the deck helps. Read the extensive Content Placement section. Let's make all the boxes absolute .