Calculating CSS 2.1 selector specificity
When an element is matched by the selectors of several CSS rules, the most specific selector wins and the declarations in the corresponding rule are applied. That makes sense, but sometimes figuring out which selector is most specific can be tricky. Fortunately reading Andy Clarke’s CSS: Specificity Wars and Molly E. Holzschlag’s CSS2 and CSS2.1 Specificity Clarified will help you understand how selector specificity works and how to calculate it.
- Previous post: PageRank Explained
- Next post: Maintaining CSS files
Information, sponsorship, and externals
About the author
Roger Johansson is a Swedish web professional specialising in web standards, accessibility, and usability. More about me and this site.
Latest articles
- Validation statistics from Nikita the Spider Comments off
- An analysis of the sites crawled by the bulk validation tool Nikita the Spider during March 2008.
- Authentic Jobs API and Affiliates program Comments off
- The Authentic Jobs job listing service now has a public API and an affiliate program.
- What does Acid3 mean to you and me? Comments off
- Opera and Apple have announced that their web browsers pass the Acid3 Browser Test, but how will that help web designers and developers?
- Designing Web Navigation (Book review) Comments off
- Learn the fundamentals of navigation design and design better navigation systems for large and small sites as well as for web based applications.
- DOMAssistant bundle for TextMate Comments off
- To save keystrokes and speed up development I have created a DOMAssistant bundle for TextMate.
- First impressions of Internet Explorer 8 Beta 1 Comments off
- My impressions after trying out Internet Explorer 8 Beta 1 for a couple of days.
Comments
And if your a Star Wars fan, Andy's article will put a BIG smile on your face. :D
Sorry, comments are closed for this post.