DiagnostiCSS

Diagnostic CSS stylesheet that helps visually detect any potentially invalid, inaccessible or erroneous HTML markup.

DiagnostiCSS highlights the following problems:

• inline styles
• invalid links
• empty elements
• elements missing required attributes
• deprecated elements

Sponsored by Flatstack.

Installation

Rails

Add this line to your application's Gemfile:

gem 'diagnosticss',
  git: 'git://github.com/diagnosticss/diagnosticss.git',
  group: :development

And then execute:

$ bundle install

Sinatra

Add diagnosticss middleware into your application:

require 'diagnosticss'

class App < Sinatra::Base
  use Diagnosticss::Middleware
  # ...
end

Usage

DiagnostiCSS CSS will be injected into html page if you have 'diagnosticss' gem in Gemfile.

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

Ideas, TODOs

• build minified version (bookmarket issue)
• cool rgba() colors
• visible alerts (generated content:)
• documentation on selectors
• configuration? (ability to disable/enable some of inspections)