The Fundamental Concept in Web design and Layout of CSS Box Model.

The CSS box model is a fundamental concept in web design and layout. It describes how elements on a web page are rendered and how their content, padding, border, and margin interact. Here’s an example of the CSS box model:

“`html

.box {
width: 200px;
height: 100px;
padding: 20px;
border: 5px solid #333;
margin: 30px;
}