I've got one user who when they create an issue it defaults to not full screen mode and they need to use the expand buttons to see all the fields (and the Cancel button).
This does not seem to be a browser issue and is specific to at least one user as I cannot recreate it when I login.
When she creates an issue this is her default screen:

When I create an issue (same browser, project, issue type) I get the full screen:

I'm thinking there is some preference button somewhere, but can't seem to locate it.
Thanks..Susan