Thats a problem as each instance of that grid has unique ids and no specific class to identify them.
When did the 40px appear ? Was any code added to the site to add that by default ?
I had a look to see if would be possible to use a filter to fix that, but i cannot see any ‘reference’ points that are common on all pages we could use. So i am afraid it looks like a will require fixing manually.
You may want to consider Copying the Block from the front page, pasting it into the other pages.