Extending the Color Cascade with the CSS currentColor Variable

<p class="deck"> If you use Sass or LESS, then you probably already use variables in your style sheets and know how useful they are. If you don’t use a preprocessor, then you might be curious what the fuss is all about and why variables are so popular and how they can be useful. In this article, we’re going to get an overview of why variables are useful, and get acquainted with one particular variable: currentColor. </p>