This engine shows wrong lines of css-code or doesn't show any

[lebedev]

For example, see the results for this file (and a screenshot of what I see).

[pbrisbin]

Hi @Zeird we did have a bug previously that would report issues in the wrong file, which could've certainly caused what you see in your screenshot. Following the source link appears to be showing things correctly now -- are you still seeing this issue?

[lebedev]

Yep, It seems like an issue with linenumbers is fixed now.