What is the use of the css3 box model?

The function of the box model of css3 is to enrich and promote the performance and layout structure of each box and the entire HTML document by defining a series of box-related attributes; the box model is a commonly used css in web design A mental model used by technology that includes margins, borders, padding, and actual content.

The operating environment of this tutorial: Windows 10 system, CSS3&&HTML5 version, Dell G3 computer.

What is the use of the box model of css3

The box model of css is a thinking model used by CSS technology that is often used in web design. Its function is to define a series of Box-related attributes can enrich and promote the performance and layout structure of each box and the entire HTML document.

The box mode in css is to allow people to fully understand the positioning function of the div css model. It uses a layout method such as the box model to replace the traditional table layout method. Therefore, the box model is a model that must be learned when learning the div css layout method. Through this model, you can understand how the relative positions between divs and divs in the web page are laid out.

All HTML elements can be viewed as boxes. In CSS, the term "box model" is used in design and layout.

The CSS box model is essentially a box that encapsulates surrounding HTML elements, including: margins, borders, padding, and the actual content.

The box model allows us to place elements in the space between other elements and the surrounding element's border.

The following picture illustrates the Box Model:

Explanation of different parts:

• Margin - clears the area outside the border and makes the margin transparent.

• Border - The border around the padding and content.

• Padding - clears the area around the content and makes the padding transparent.

• Content - the content of the box, showing text and images.

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