A user left feedback that they lost 30 mins work because they couldnt see how to close the ref dialog. They use 150% zoom.
https://en.wikipedia.org/wiki/File:Ve-ref.png
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=49969
https://bugzilla.wikimedia.org/show_bug.cgi?id=51755
https://bugzilla.wikimedia.org/show_bug.cgi?id=51820