fix: reduce dark snackbar border brightness

[Feichtmeier]

sorry, now 1 review is required before merge :+1:

reducing the brightness a bit

should we force a width in the theme or should users chose what they want in SnackBar()?

[Feichtmeier]

Also, is it maybe a bit too dark? what about this rather

[Feichtmeier]

Final result

[Jupi007]

should we force a width in the theme or should users chose what they want in SnackBar()?

I think we should set a better default. It doesn't look pretty at all currently with the full width.

[Jupi007]

What about 350.0?

[Feichtmeier]

I wonder what happens if one puts too much stuff in there, will it force the size or expand?

[Jupi007]

It expands in height:

But if somebody want to put too much stuff, he can define a different width if needed.