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Editorial Team
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Asked: 2026-06-17T17:44:25+00:00

Folks, I’ve been following a ruby tutorial, at a step where I am trying

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Folks,
I’ve been following a ruby tutorial, at a step where I am trying to add some CSS to the pages.

ActionController::RoutingError (No route matches [GET] "/assets/blueprint/print.css"):

I believe my routes.rb file is messed up:

FirstApp::Application.routes.draw do
  get "pages/home"
  get "pages/contact"
  get "pages/about"
  root :to => "home#index"

application.html.erb file:

<!DOCTYPE html>
<html>
<head>
    <title><%= title %></title>


    <%= csrf_meta_tags %>
    <%= stylesheet_link_tag 'blueprint/screen', :media => 'screen' %>
    <%= stylesheet_link_tag 'blueprint/print', :media => 'print' %>
</head>
<body>

<%= yield %>

</body>
</html>

Directory structure on the server:

first_app% ls public 
404.html  422.html  500.html  downloads  favicon.ico  index.html.backup  master.zip  robots.txt  stylesheets

[vasiliy@vbweb]~/ruby/first_app% ls public/stylesheets 
blueprint

[vasiliy@vbweb]~/ruby/first_app% ls public/stylesheets/blueprint 
ie.css  plugins  print.css  screen.css  src
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1 Answer

  1. Editorial Team

    You should check the tutorial you’re following, but it seems you following a slightly older tutorial (before the asset pipeline was added in Rails 3.1)

    So things are a little different.

    Stylesheets now are expected to live in app/assets/stylesheets

    If you just move blueprint/screen.css and blueprint/print.css into that directory, it should start working.

    But… you may want to look at how the asset pipeline works, as it’s quite cool.

    Take a look at application.css and you’ll see a few lines like

    /*
*= require_tree .
*= require_self
*/

    This will require all files inside the stylesheets directory,
    you can thereby just have a single line stylesheet_link_tag :application which will do them all.

    However, that won’t do the print/screen media settings you’re trying to play with.

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