What is CSS calc() about? How to use it correctly and when can it be useful?

The article 'A Complete Guide to calc() in CSS' provides an in-depth look at the calc() function used in CSS. This feature enables developers to combine different measurement units, which is incredibly useful for projects related to responsive design. With calc(), we can have finer control over the sizes and positions of elements on a page, an essential aspect in today's world of large screens and various devices. The article outlines the basic components of using calc(), such as addition, subtraction, multiplication, and division, along with practical examples of how to implement them. Furthermore, it explains how calc() interacts with other CSS properties, allowing for even greater flexibility in layout design. In conclusion, the author highlights common mistakes when utilizing calc() and shares best practices to avoid rendering issues across web pages.