What is the div box model

The div box model is a model used for web page layout. It treats the elements in the web page as rectangular boxes. This model contains four parts: content area, padding, border and Margins. The advantage of the div box model is that it can easily control the layout of the web page and the spacing between elements. By adjusting the size of the content area, inner margin, border and outer margin, various layout effects can be achieved. The box model also provides some Properties and methods can dynamically change the style and behavior of the box through CSS and JavaScript.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

The div box model is a model used for web page layout. It treats elements in the web page as rectangular boxes. This model contains four parts: content, padding, border and margin.

First of all, the content area is the part of the box that actually displays content, which can contain text, images, videos, etc. Its size is determined by the width and height of the content.

Secondly, the padding is the blank area between the content area and the border, which is used to control the distance between the content and the border. Padding can be set to a fixed pixel value or a percentage value.

Again, the border is the line surrounding the content area and padding, used to add borders and decorative effects to the box. Borders can be set to different styles, colors and widths.

Finally, margins are the blank space between the box and other boxes, used to control the distance between the box and other elements. Margins can be set to positive or negative values, with positive values ​​increasing the distance between the box and other elements, and negative values ​​making the box overlap other elements.

The advantage of the div box model is that it can easily control the layout of the web page and the spacing between elements. Various layout effects can be achieved by adjusting the size of the content area, padding, borders, and margins. At the same time, the box model also provides some properties and methods that can dynamically change the style and behavior of the box through CSS and JavaScript.

To sum up, the div box model is a model used for web page layout. It treats the elements in the web page as rectangular boxes, including content area, inner margin, border and outer margin. parts. By adjusting the size and properties of these parts, various web page layout effects can be achieved.

The above is the detailed content of What is the div box model. For more information, please follow other related articles on the PHP Chinese website!