Hi Peter, I see nothing normally, between the Towers, been like that for yonks....
I am using Win 10, and Google Chrome browser, No problems
The only thing slow, is browser circle spins for ages, on every page change, but it don't seem to cause any problems

If you point at say, One of the Flashing Towers, and then Right click, and then in the white box, Left click on "Inspect"
and then you can see, How the page is made up....

Hover (Mouse over) this (without clicking) and it highlights different bits of main page
(Click its own X to exit "Inspect") ..... Don't ask...I am a Radio Engineer, not a Computer Geek !

Rod Watts