Many thanks to those who have replied, mostly off-list, to my question.
The solution probably closest to what I was after (and not requiring
the addition of any extra divs) was sent to me by Andrew Krespanis, who
reminded me of the old left:50%; (which will be calculated as 50% of
the parent)
Can anyone elucidate this conundrum?
I'm wanting to centre a horizontal navigation bar at the bottom of my
header block, but I fear this is not possible. (In case anyone wonders
why I would want to do this, I want it to expand upwards rather than
downwards if the text is resized.)
One of the
