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Help:Editing Special:CSS

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Community CSS and JavaScript allows local administrators to customize how Wikia looks and behaves for anyone visiting their community, beyond the abilities provided by the Theme Designer.

If you plan on doing this, please be aware of Wikia's policy on allowed customizations and the Terms of Use. Note that CSS and JS customizations cannot be applied to the mobile skin.



Editing a dark-themed community's CSS

To customize your community's CSS, simply edit MediaWiki:Wikia.css. You can also access this page from the Admin Dashboard via the 'CSS' link.

Each week we release notes on upcoming changes that might affect your community's customizations: Technical Update blog posts.

The Community Central Designing Your Wikia forum board is a great place to get help from other users, if needed. See also this webinar to learn more about custom community CSS.

Note: if you want to target the Monobook skin, edit MediaWiki:Monobook.css.


On all wikias created after July 2014
MediaWiki:Common.css is loaded for the main Wikia skin and Monobook. The contents will be applied before MediaWiki:Wikia.css and MediaWiki:Monobook.css. For most communities this doesn't matter, but if you use @import rules (like for importing custom fonts), it is best they are added to the top of MediaWiki:Common.css.
On most wikias created before July 2014
MediaWiki:Common.css is loaded for the Monobook skin but not the main Wikia skin. If you want to use MediaWiki:Common.css to create rules for both the Wikia and Monobook skins, ask Wikia Staff to enable this. If you do so, make sure to clean up any old CSS in MediaWiki:Common.css beforehand, otherwise it may cause unexpected effects.


To customize your community's JS, simply edit MediaWiki:Common.js. This code will be loaded for all visitors to your community.


  • For security reasons, edits to community JS must go through an approval process, which is explained in more depth on Help:JavaScript review process. This may need to be manually enabled for your community - it can be requested via Special:Contact.
  • JS errors can break basic functionality on your community - please be careful to avoid introducing errors.
  • Please do not include JS that you do not understand, nor import from sources that you do not fully trust.
  • Do not import JS from personal JS pages, or from unsecure pages.
  • If you want to target a specific skin, edit MediaWiki:Wikia.js for the default skin, and MediaWiki:Monobook.js for the Monobook skin.

See also

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