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Developers who have built any size Website have had this problem: when you need to change one of your brand’s colors it’s no easy feat, requiring a risky search and replace or hunting down every instance of its use. To get around the clutter, most developers have switched to using preprocessors like SASS or LESS which support creating variables by converting them when the processor is run over your code. The problem is that this is not done at runtime with these libraries, so you’re not able to change these colors in real time without recompiling your stylesheets. CSS Variables in action Chrome 49 is…

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