Material Design Lite Rails Gem

Add this line to your application's Gemfile:

    gem 'MDL-rails'

And then execute:

    $ bundle install

Add to your app/assets/javascripts/application.js

    //= require material

And to your app/assets/stylesheets/application.css.sass or application.css.scss

    @import material

http://www.getmdl.io/

https://github.com/google/material-design-lite