Overthe last years we’ve got a pretty goodunderstanding of what CSS does,how it works and how we can use it forour layouts, typography andvisual presentation of the content.However, there are still someattributes that are not so well-known;also, CSS3 offers us newpossibilities and tools that need to beunderstood, learned and thenapplied in the right context to the righteffect.
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http://www.smashingmagazine.com/2010/06/10/50-new-useful-css-techniques-tools-and-tutorials