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POHow to interpret HTML multiple class names in the CSS renderization? What W3C says about it?
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About HTML class attribute assigned with two or more class names, that is, <pre><code><tag class="a b">....</tag> </code></pre> I can test it with different browsers -- see tests at <a href="http://jsfiddle.net/PP9yf/1/" rel="nofollow noreferrer">http://jsfiddle.net/PP9yf/1/</a> or <a href="https://stackoverflow.com/a/3066365/287948">this question/answer</a> -- and deduce a common sense rule: <blockquote> use <code>class="a"</code> if it is defined, or use <code>class="b"</code> if it is defined, or use BOTH if both defined... And, when using both, if they assign same property, the last CSS definition overrides the others. </blockquote> So, we can interpret for example that <code>class="a b"</code> must be the same as <code>class="b a"</code>. But it is a W3C official interpretation? Where the W3C standard that say this rule? <hr> PS: I started with <a href="https://stackoverflow.com/q/13808846/287948">this other question</a>, but my motivation is software development. I need this normative answer to develop a software similar to <a href="http://www.pelagodesign.com/sidecar/emogrifier/" rel="nofollow noreferrer">emogrifier</a>, etc. Example: <a href="https://github.com/tijsverkoyen/CssToInlineStyles" rel="nofollow noreferrer">CssToInlineStyles</a> need this correction... But only need a "correction" IF there are a W3C standand saying that the software is wrong.
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How to interpret HTML multiple class names in the CSS renderization? What W3C says about it?
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1. USPeter Krauss
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1. COThis may help: http://coding.smashingmagazine.com/2010/04/07/css-specificity-and-inheritance/
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 POHow to interpret HTML multiple class names in the CSS renderization? What W3C says about it?
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