Sometimes we want the overlay to be opened at the top left (instead of bottom right), e.g. here: <img width="374" alt="screen shot 2017-12-04 at 17 16 36" src="https://user-images.githubusercontent.com/533616/33562955-ed9de844-d916-11e7-939c-a52d75d5e153.png">
Sometimes we want the overlay to be opened at the top left (instead of bottom right), e.g. here: