I get this too, again with Nvidia gfx, and only on FF. (See attached png)
I have found a (rather unsatisfactory) workaround - In FF's toolbar, select View / Page Style / No style.
I get this too, again with Nvidia gfx, and only on FF. (See attached png)
I have found a (rather unsatisfactory) workaround - In FF's toolbar, select View / Page Style / No style.