Error 404


When I do the CSS course Unit 4 the error 404 apper to me.I do80% of this lesson anda i can't continue. Can U help me please.
The URL cannot be acessed.>


Try this one:

Which specific lesson you cannot access? The lesson no before it


Good evening (at least here in brazil) Zaina.

The link that u sent to me, works perfectly and I already continue the course

tks so much and best regards