Steps to reproduce:
1.Open a page with VE
2.Try to open Link/Math/Language/Special Character inspector
Observed Result:
None of them opens and in the console it shows the following error:
Uncaught TypeError: Cannot read property 'top' of undefined
Environment:test2.betalabs
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=70770
https://bugzilla.wikimedia.org/show_bug.cgi?id=70768