Down to a gnat's eyebrow phrase
This phrase is used in case somebody carries out something very carefully and particularly.
Down to the smallest detail or part
He described the robber down to a gnat's eyebrow.
The neighbor told the police the incident down to a gnat's eyebrow.
We planned our wedding down to a gnat's eyebrow.
This phrase is used to describe something very modern or updated or something that no longer looks like what it's used to.
It has been a long time since I left my high school, and now I have to admit that it's certainly not your father's high school anymore.