activeadmin/activeadmin — pull request #3685 by pusewicz (2014-12-09 14:22:06+00:00)
Title: Move .css.scss => .scss

`sass-rails` not only supports `.scss` files.

https://github.com/rails/sass-rails/commit/d355de9b5aa8b79576c9afcadb58e
be164155861