Do you see the rectangle inside the blue div? It make no sense for me that Google Chrome render this rectangle. The page is only having a div with the class "sidebar" and the css is only this:
I removed all extensions in Google Chrome, I've restarted my computer. Only me experiencing this render. I'm not sure how to fix this behavior. Any help?
Edit: I'm using MacOS Sierra v 10.12 and Chrome Version 53.0.2785.143 (64-bit) seem to be the last update possible. The problem appear also for me here: steemconnect.com see prntscr.com/crgo04 . It seem to be not easy to reproduce.