Where does the padding in owl-slider come from?

Question

css

anomaly in css.
Given:
1. owl-slider .
2. page with height: 100%
3. slider also has height: 100%
4. Despite this, it is not clear where the indent from below comes from.
Question: where and why does it come from and how to eliminate it?
For clarity, I signed all this on the screenshots (clickable).

Answer 1

Solved a problem. The padding was registered there, I didn’t notice it =)