This is a example application using SimpleForm and Twitter Bootstrap.
A copy of the bootstrap.css can be downloaded from the official home page, or using the following command to download from the demo site:
curl -L http://twitter.github.io/bootstrap/assets/css/bootstrap.css > vendor/assets/stylesheets/bootstrap.css
MIT License. Copyright 2011-2013 Plataforma Tecnologia. blog.plataformatec.com.br