Grid for designers?

Question

Adaptive design

Hello, the question arose of how the grid is generally done correctly by designers, I just saw someone making 2 columns on Small, 6 on Medium and 12 on Large, some do it differently, as they say, "some in the forest, some for firewood", the question arises, how to make a CORRECT adaptive grid for a designer from the outset? How to properly calculate column width, padding, number of columns, etc. to small, medium and large, how to move the grid from large to medium and below? In general, how to make an adaptive grid for layouts? Thank you very much in advance!

Answer 1

indeed, everyone typesets in their own way and it is impossible to take into account all opinions.
There is something that has become more or less standard is bootstrap: 12 columns
Pro grid (eng)
Pro grid (rus)

Answer 2

It is best to make a grid based on well-known grid systems. For example, based on the bootstrap system