How to set your quantity value and step size in the tilde in the product card?

Question

HTML

By default, the choice of the number of goods is as follows:
From 1, and the step size is 1 (that is, 1, 2, 3, 4, 5, etc.).

I need to set min. the value is 0.10 , at a rate of 0.10 (i.e. 0.10, 0.20, 0.30, etc.) I would be
grateful for any help in this difficult matter.