NZBGet checkboxes not changing

[ctrlaltd1337ed]

Describe the bug
When selected checkboxes in NZBGet with any theme applied, the checkbox doesn't appear to change other than a slight outline change.

Theme Install Method (Don't skip)

• Stylus Config

Application Info (Don't skip)

• Version: 25.2
• Branch: latest
• Container: linuxserver/nzbget

To Reproduce
Steps to reproduce the behavior:

1. Click a checkbox
2. See error

Expected behavior
A checkmark would show when clicking the box

Screenshots
With theme:

Without theme:

Desktop (If applicable) (please complete the following information):

• OS: Windows
• Browser: Firefox
• Version: 140.0.4

Additional context
Add any other context about the problem here.