What is the problem?
When using the "basic form" to add a citation, if you open the special character menu there is a small part at the top of the window which you cannot interact with.
There appears to be <div> blocking interaction. It is highlighted in the below screenshot.
Steps to reproduce problem
- Edit any article with VisualEditor
- Click "Cite"
- In the "Add citation" popup that appears, click "Manual" and then "Basic form"
- In the "Reference" popup that appears, click the Special Character menu (Ω)
- Try to interact with the top part of the menu, such as by trying to drag the scroll bar down