On a serious note (boring), I see no active content here.
I use an i7 Windows 10 64-bit computer and MS Edge.
(i have absolutely no idea wat i just said)
The background should change depending on the hour of the day, so during the day you would see houses by daylight, then during nightime the same houses but with a starry sky. (There are also dawn and sunset pictures, but those are more difficult to catch.) Can you see any of that?