⟩ What Is the HTML Element Formatting Model in CSS?
An HTML document is divided into HTML elements. Each element is considered as a formatting unit using a box-oriented formatting model, which has:
► Content Box - A rectangular area for displaying the element content.
► Padding Box - A rectangular area surrounding the content box acting as padding space.
► Border Box - A rectangular area surrounding the padding box acting as border lines.
► Margin Box - A rectangular area surrounding the border box acting as margin space.
