from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun web design, usually derogatory The practice of authoring stylesheets with redundant and semantically unhelpful classes.


from Wiktionary, Creative Commons Attribution/Share-Alike License

class +‎ -itis


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  • While this is likely to lead to an attack of 'classitis', I'm not sure what the alternative would be and this is an almost identical method to that which Dreamweaver uses.

    Think Vitamin 2008

  • It's as pointless as and in my opinion serves to further propagate classitis and iditis, both diseases related to the more famous divitis.

    Planet Microformats 2010

  • By marking up the document first, you won't run into such diseases as divitis and classitis, which can sometimes be fatal! Latest 15 Tutorials 2009


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  • Eric Meyer

    October 4, 2007

  • The overuse of classes in cascading stylesheets.

    October 4, 2007

  • Article link? I'm a Meyer fan but hadn't heard this before. I do prefer to use IDs for most things, personally, though I wonder what's really so "bad" about classes.

    October 5, 2007

  • I'd say classitis and divitis are closely linked. It's more to do with introducing lots of redundancy into CSS, when the same effect could be achieved with less code.


    October 5, 2007

  • I thought classes were meant to reduce redundancy...

    October 5, 2007