I'm expecting this to be difficult, though it's just a very simple thing 
I have a cell, let's call it A1 that a value it put in.
There are then other cells which are simply mirror copies of this.
Let's say, just as examples: B2, D5, E6 and F9
These other cells, simply have =A1 in them. So I change the text in A1 and all these other cells change to match.
My question (and what I'd like to happen) is this:
I highlight the main cell A1 and I change to font size from, lets say 11 to 8
I'd then like cells, B2, D5, E6 and F9 to all change to the same font size as A1 automatically.
Simple yes
But I'm guessing hard to make happen?
Thanks for reading.

I have a cell, let's call it A1 that a value it put in.
There are then other cells which are simply mirror copies of this.
Let's say, just as examples: B2, D5, E6 and F9
These other cells, simply have =A1 in them. So I change the text in A1 and all these other cells change to match.
My question (and what I'd like to happen) is this:
I highlight the main cell A1 and I change to font size from, lets say 11 to 8
I'd then like cells, B2, D5, E6 and F9 to all change to the same font size as A1 automatically.
Simple yes

But I'm guessing hard to make happen?

Thanks for reading.