Reply To: Mixed Content Issue

I read the documentation, but it did not solve the problem (the pictures are not in the footer), may you please guide me were are the dummy http pictures located in my site so I can replace them with https:
Here are the images sources:
http://dummy.xtemos.com/woodmart-elementor/wp-content/uploads/2017/06/wood-o-background.svg?id=215
http://dummy.xtemos.com/woodmart-elementor/wp-content/uploads/2017/06/wood-about-us-bg.jpg?id=217
http://dummy.xtemos.com/woodmart-elementor/wp-content/uploads/2017/06/newsletter-new.jpg?id=220

my site is afafmall.com