Reply To: Dummy Images on my blog can’t be deleted or replaced with new ones

3. And this as well,
when I click on the blog button in the menu, to get this look:
https://woodmart.xtemos.com/blog/demo/electronics-2/

4. Also, how to delete these share square buttons on the left side, and how to those share buttons to the end of the post to be monochrome, like black and white, or at least in one color?