Thin white line at the bottom of Firefox

[JackzTails]

Describe the bug A thin white line appears at the bottom of my screen when I have my taskbar in hidden and Firefox maximized/fullscreen. This problem does not reoccured when I switch over to chrome for example.

To Reproduce Steps to reproduce the behavior:

1. Open Firefox and maximize it
2. Go to taskbar settings on windows and select Automatically hide the taskbar in desktop mode
3. Open TaskbarX Configurator and use the transparent style
4. See error

Expected behavior I expected it to be clear without a white line at the bottom.

Screenshots How it looks on Firefox How it looks on Chrome

Desktop

• OS: Windows 10 Pro
• Version 21H2

Additional information I think the reason it bugs me and some of my colleagues is that the bottom of the monitor typically is black which is why you tend to ignore that there actually is a black thin strip using chrome as well but since the strip is white when you use firefox it stands out way more and it inteferes with the page.

[xab4er]

+1