…the login screen can be customized. I’ve done this in a sandbox project, and I can’t change anything at all. The designer opens up with all the elements in green and none of them can be moved, changed… or customized in any fashion at all.
Is this part of the documentation outdated, or is it missing information as to what can be changed and what cannot? (Because it appears nothing at all can be changed!)
Using index=0 we move loginButton to the first place in the container.
In the case of login screen, it is also possible to provide your implementation. You need to add property cuba.web.loginScreenId with an id of the custom login screen to the web-app.properties file (see documentation).