Bootstrap light box not work properly

Question

I try to use bootstrap light box but it donot work properly as left and right arrow has to be on the image so Why the arrows are shown in wrong place

Answer 1

https://code.sololearn.com/WNHXyX2D4K4I/?ref=app

Answer 2

https://code.sololearn.com/W9A12A15A207/?ref=app