Why is there a blue "loading circle" on my how page underneath the header?

Question:
When setting up a Hover box on the home page when published a half a loading circle rotates on the home page continuously

Product:
Wix Studio Editor

What are you trying to achieve:
Figure out why this is being displayed and how to remove or stop it displaying

What have you already tried:
Deleting the Hover Button and the circle does not display

Additional information: