title: Bootstrap on Ruby on Rails not working
body: <p>can anyone help me? I already did everything to install Bootstrap on my Ruby on Rails application, however continues to appear without bootstrap format.</p>
  
  <p>I have Rails 4.2.5.1</p>
  
  <p>in gemfile I added, and ran bundle install</p>
  
  <pre><code>gem 'bootstrap-sass', '~&gt; 3.3.6'
  gem 'sass-rails', '&gt;= 3.2'
  </code></pre>
  
  <p>in app/assets/stylesheets I have application.scss with: </p>
  
  <pre><code>@import "bootstrap-sprockets";
  @import "bootstrap";
  </code></pre>
  
  <p>and in assets/javascript I have application.js with:</p>
  
  <pre><code>//= require jquery
  //= require jquery_ujs
  //= require bootstrap-sprockets
  //= require_tree .
  </code></pre>