How to make a review slider with 2 pieces per page (with a shift of 1) on Bootstrap?

Question

Slider

There is an awesome carousel slider - bootsnipp.com/snippets/featured/carousel-reviews-w...
Or bootsnipp.com/snippets/featured/simple-carousel (easier, but the problems described below are the same)
But I'm not satisfied with 2 points:
1) when changing a slide, the whole "pack" that lies in the item changes - all 3 slides
2) actually 3 elements are displayed per 1 slide, and I need 2. But Preferably with the ability to customize (suddenly 3 or 4 are required)
From the problem 1, the problem also arises that if you reduce the screen (for the element in the slide it is col-sm-6 in the example), then they will start to be displayed by 2, but the 3rd will simply DISAPPEAR (when scrolling, you immediately get to the 4th and 5th.
In general, how to make about the same slider, but so that it does not change the entire parent item, but only shifts the children by 1 each time?

Answer 1

Replace col-md-* with col-xs-*