h3.Steps to reproduce * `docker run -p 8080:8080 -p 50000:50000 jenkins/jenkins:2.222` and pass the setup wizard without installing plugins * On firefox, resize the window to a viewport of 1000x1411.1 * Go to http://localhost:8080/configure * Increase page zoom to 200% * From the 'configuration' context menu, select 'Shell' (bottom entry)