How to move the arrows outside the block of the slide itself in the bootstrap carousel?

Question

css

Good day, there is a standard gallery on Bootstrap, you need to bring it to this form, that is, the arrows behind the picture and the switching points are also behind the picture, and I would also like to understand how to make circles in the form of a dash, thanks in advance.

Answer 1

1. Change left, right, etc.
2. Remove border-radius and change width and height