How to specify resource library version in JSF2?

Question

Say I have a resources/ folder in the webroot. In it, I have a css/ folder and in it there is a theme.css file.

But I want to

Answer 1

If you suppose to have the css library, you should use this directories naming scheme:

resources/css/1_1
resources/css/1_2

where resources in the jsf standard resource directory