Mahendra as you can see the image link is wrong, now is
Photo by Anete Lusina from Pexels: https://www.pexels.com/photo/briefcase-with-documents-placed-on-table-4792282/
and should be
https://images.pexels.com/photos/4792282/pexels-photo-4792282.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1
if you inspect your element you can see clearly the error...your element now is (wrong)
<img class="carousel__slide-image" src="Photo by Anete Lusina from Pexels: https://www.pexels.com/photo/briefcase-with-documents-placed-on-table-4792282/">