Responsive Designs and CSS Custom Properties: Building a Flexible Grid System

Last time, we looked at a few possible approaches for declaring and using CSS custom properties in responsive designs. In this article, we’ll take a closer look at CSS variables and how to use them in reusable components and modules. We will learn how to make our variables optional and set fallback values.
As an example, we will build a simple grid system based on flexbox. Grid systems play a vital role in responsive designs. However, building a grid … Read article
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