This plugin hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

This plugin has been closed and is no longer available for download.

IM8 Additional CSS


Add an additional CSS file and/or CSS styles for each page or (custom) post.

  • Easy-to-use due to a new Additional CSS meta box on the regular edit page in the WordPress-Admin
  • Multilanguage: currently English and German (please help us with translations if you want to see additional languages)
  • Ad-free (of course, donations are welcome)

If you would like to contribute to this plugin, see its GitHub repository.


  • Additional CSS meta box - Here you can add an additional CSS file and/or CSS styles.


  1. Upload the im8-additional-css folder to the /wp-content/plugins directory on your web server.
  2. Activate the plugin through the Plugins menu in WordPress.
  3. Find the new Additional CSS meta box on the regular edit page

Contributors & Developers

“IM8 Additional CSS” is open source software. The following people have contributed to this plugin.


Translate “IM8 Additional CSS” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • compatible up to WordPress 3.8.1
  • added some index.php files


  • integrated plugin update message
  • corrected some DocBlocks


  • fixed bug that prevented plugin from being loaded when activated network-wide


  • added direct access guard
  • removed trailing ?>
  • in get_post_types function, changed argument 'public' => true to 'show_ui' => true


  • compatible up to WordPress 3.8


  • bugfix in autoupdate routine
  • wrapped plugin in if (! class_exists('IM8AdditionalCSS'))
  • optimized uninstall routine


  • complete refactoring (object oriented programming)
  • more usage of WordPress core functions
  • moved screenshot to assets folder
  • added banner image


  • fixed an error message when CSS directory is not available (credits go to Christian Gnos from dunkelweiss GmbH for reporting this bug)


  • initial release