Magic ? !

 

Up pops the Layer Style dialog again

This time, after slowly moving the right end, I split it into two (by holding down the Alt key while clicking on the right side of it) and gently move the right bit back towards the right, so I have the values 97/136.

[magician's note:- I had to do this because the image is much more complicated than the Roman columns.]

And, of course, when I press the OK button...

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