A preprocessor processes code before it is used. A CSS preprocessor processes your CSS before it's used by the browser. How does the preprocessor work? You write code in a language that is similar to ...

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It’s the next big thing. It’s what makes all the great—and cool—websites, not to mention powerful mobile apps (like LinkedIn’s new app for iOS). What is it? HTML 5 and CSS. Demand for HTML5-powered ...