How to display a small screen at the top right corner like a model popup which appears at the middle of the screen

Hello Everyone!   I would like to create a user profile which you are seeing at the top right corner of your screen right now in Mendix marketplace. I would like to know how to align a page to the top right corner, If anyone of you have implemented this can you explain this to me, If we have to use CSS could you please tell me where(Folder/file) to write the CSS.   Thanks in advance, hari
1 answers

I think the Popup Menu widget will do the job. You can see a demo here.