When you run your own WordPress website, it’s only natural to want to gain more control over its design and functionality. One of the best ways to make sweeping changes to a site’s looks is CSS. With proficiency in CSS, you can change anything from the page layout over colors to fonts and background images.

One of the most basic concepts to learn for this is the CSS box model. It’s a fundamental principle of web design. Understanding it enables you to almost endlessly customize your site’s layout to your desire.

In this post for beginners, we will explain to you what the CSS box model is and how it works. We will first go over it theoretically and then work through a number of practical examples to make it even clearer.