Custom formatting merged cells

[jblevins]

When using conditional formatting for the border of merged cells, only the left most cell is formatted, is there a way to conditional format the entire merge?

 

[jblevins]

Are the Conditional Formatting rules that turn the cells green and apply the border the same CF rule, or different CF rules?

If they are different rules, do they follow the same exact formula on the exact same range?

And did you specifically choose the "Outline" border option (instead of picking each border line separately)?

It is all done by the same rule:

 

[Joe4]

Can you show me the range it is being applied to, and what the formatting selections look like?
In your preview of the format, I can see a black border on the top and left, but not on the bottom and right, which makes me question if you selected the "Outline" option, i.e.