Idered/cssParentSelector — Issue #3: Pseudo selectors should be ignored, such as :before, :after etc
Author: izilla
Created: 2012-02-08 00:44:20+00:00
State: open

If you had a style such as #el + a:after > .sel {}

A class gets written for the :after rules, even though it will never be applied.

A workaround is to do something like #el +a > .sel {} and then actually style the after with #el + a[class]:after as you've added a .CPS class to the link