Use a CSS Preprocessor by @robbyg
CSS Preprocessors have been around for a while now, but I didn’t start seriously looking into them until about a year ago. I didn’t think yet another language like LESS, Stylus or Sass would have anything to offer me. I was wrong, and CSS Preprocessors are awesome. Here are three good reasons why.
Read more at http://www.cssnewbie.com/use-a-css-preprocessor/
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