Shifted image in fullscreen mode

[balthasar74]

Describe the bug
when I watch movies on some websites, the full-screen image shifts to the right. Everything is fine on YouTube,

To Reproduce
everything is fine in the window mode, as soon as I turn on full-screen mode, the image shifts to the right

Expected behavior
I would like the image in full-screen mode to be centered and in full screen

Screenshots

Browser and OS

• Browser/browser version: yandex 24.6.3.770 (64-bit)
• Operating system: windows 10 22H2 build 19045.4651
• Ultrawidify version: Ultrawidify version: 6.0.0.1. Created by Tamius Han

Additional info
I tried different browsers, such as the latest version of Google chrome. I deleted all the extensions, nothing helps, the image is shifted on certain sites anyway. I also tried to add margin: 0px!important;\n to the video css code, as advised in a similar topic on the forum, but it didn't help, and I don't understand the codes, so I ask for help