# File lib/generators/mousetrap/install/install_generator.rb, line 28
      def add_css_assets
        if File.exist?('app/assets/stylesheets/application.css')
          insert_into_file "app/assets/stylesheets/application.css", "*= require mousetrap\n ", :before => "*= require_tree ."
        else
          copy_file "application.css", "app/assets/stylesheets/application.css"
        end
      end