After a lot of feedback, it seems many desktop/laptop users would like to be able to see some questions and the latest posts at the same time. We'd like to try and help, so would this be a preferred layout for the category pages?
I don't know what you've done, but all I get is a page which refuses to scroll and my cursor click ANYWHERE on the screen gives a flip-flop effect of a very slightly larger screen then back again.
Go into Safari>Clear history and website data
Then ..Advanced>Website data>delete
Delete your bookmark for AB, if you have one.
Reset and bookmark again.