The PDF page number box in Opera GX looks bad while other browsers with chromium looks correctly.
Screenshots:
OperaGX

Chrome

Edge
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Additional Information:
It is a clean installation of Opera GX without opening accounts or enabling extensions.
My OS is Windows 10 2004.
Version of OperaGX: 68.0.3618.150

My Screen resolution is 1366x768.
I don't believe that problem is OS because before update windows i had the same problem.

A month ago I installed Opera GX and I had the same problem, I thought they had fixed it with the updates but I think they have not noticed it yet.