UI overflows the screen on small screen sizes (1366x768)

[LuxusIX]

Describe the bug
I use an 1366x768 screen, this bug has been there for a long time, since I discovered the platform a year ago, this error is that it (the site) does not correctly fill the screen and that it 'has waids

To Reproduce
Steps to reproduce the bug:

1. Go to the site
2. Start an exercise
3. Look on the sides
4. See error

Expected behavior
I want a clean and concise and without detrimental display

Screenshots

Information about your device (please complete the following information):

• Operating System: Arch linux 6.11.3-arch1-1 (64-bit)
• Browser: Mozilla Firefox 131.0.2

Additional context
This problem was here for a long time ago for me, it's also the same probleme on windows OS