Custom classes to scrollbar and thumb elements

[bambeusz]

the lib is great, but in my project i need funcionality I added. It's just about adding custom classes to thumb and scrollbar elements.

[yads]

Can these offsets not be applied using CSS and the custom classes?

[yads]

I see now you're using it in the calculation. Let's modify this to be an object. Like:

scrollbarOffset: {
   top: 0,
   bottom: 0,
   left: 0,
   right: 0
}

Also there's a naming inconsistency scrollbarClass vs scrollBarOffset...

[bambeusz]

There's css problem with left offset. If applied it messes up position of scrollbar.
I'd apply only top, bottom and right offset, or would not apply any, and leave it to custom class

I did not analyze the code good enough to manipulate offset so easily. Should I just remove offsetting and mark an issue?