CSS Lesson page not found

There is a lesson that is leading me to a Error page (404 not found) i’m in 69% of the curse and that is the link…
https://www.codecademy.com/pt-BR/sections/5359291c1f6cf8e08b000056?curriculum_id=5355c39d516bcbd91200000a

happened with this guy too
https://discuss.codecademy.com/t/error-404-page-not-found/72985

if someone give me the link of a older lesson i can continue the curse i think…

i already gotted the link.