Steps to reproduce
- Open any page in the source editor (for example, https://en.wikipedia.org/w/index.php?title=Moonlight_(2016_film)&action=edit )
- Click on the link icon in the toolbar to open the "Insert link" box
- Click on the radio button labelled "To an external web page"
The external link icon to the right of "Target page or URL" should be shown in its entirety.
The external link icon is cut off.