Path to Radio buttons BG images issue

[Timo-Breumelhof]

Describe the bug

Radio buttons don't show up

To Reproduce

Steps to reproduce the behavior:

1. Go to Forums page
2. Click Module settings
3. Open the Active Forums settings
4. See issue:

No radio button next to yes/no

Additional context

The path tot he Radio buttons is defined in _dnn.css:

.dnnRadiobutton img {
	background: rgba(0,0,0,0) url(../../../../images/radiobutton.png) no-repeat;
}

I think this should either

../../../../../images/radiobutton.png

Or Simply

/images/radiobutton.png