How can I set my slider to be constrained to its 100% size

How can I set this slider to be constrained to the 100% size of the images in it?
http://customprowebsites.com/dev1/?page_id=38

using Divi

Thanks
Joe

#post-38 > div > div:nth-child(1) > div > div > div > div.et_pb_slides > div:nth-child(2) > div