You know, we use ad-blockers as well.
We gotta keep those servers running though. Did you know that we publish
useful books and run
friendly conferences — crafted for pros like yourself?
E.g. our upcoming SmashingConf New York, dedicated to smart front-end
techniques and design patterns.
Today, CSS preprocessors are a standard for web development. One of the main advantages of preprocessors is that they enable you to use variables. This helps you to avoid copying and pasting code, and it simplifies development and refactoring.
We use preprocessors to store colors, font preferences, layout details — mostly everything we use in CSS. But preprocessor variables have some limitations.