Flag Icon Css for use with Rails 3.1+ asset pipeline.
Add this line to your application's Gemfile:
gem 'flag_icon_css_rails'
And then execute:
$ bundle install
Generate gem initializer:
$ rails g flag_icon_css_rails
Add stylesheet file to app/assets/stylesheets/application.css:
*= require flag_icon_css
See https://github.com/lipis/flag-icon-css for details CSS usage
To provide a link back to the author website, use this helper method:
<%= flag_icon_css_attribution_link %>