Halppp

Its been a long time since I have done coding, I am using one of Pinkyus css to use, and I cannt for the life of me get the background image to show, nor the avatar image to show up. I donnt know what I am doing wrong, Ive tried using images from my DA stash as well as dropbox, and imgbb...i am trying to use their CARRD version https://toyhou.se/9605533.freebie-user-carrd