just so

adverb3

1. •
   In the precise manner indicated.

   • If you don’t turn the knob just so, the door won’t open.
2. •
   very neatly and tidily.

   • “Everything has to be just so,” he [Lonnie Rose] said. “Being in a concrete box for a long time makes you even more O.C.D.” — 2015
3. •
   To the same extent.

   • Poor in quality are these classes [of poetry], just so rich in the number of songs and melodies are the other groups which constitute the wedding-songs proper. — 1929