What is a layer model?

What is a layer layout model? The layer layout model is like the most popular layer editing feature in Photoshop, where each layer can be precisely positioned, but in the web design area, the layer layout is not hot because of the size of the Web page.

However, it is convenient to use the layer layout locally on the Web page. Let's take a look at the layer layout in HTML.

How to position HTML elements precisely in a Web page, like a layer in the image software Photoshop, allows for precise positioning of each layer. CSS defines a set of positioning (positioning) properties to support the layer layout model.

There are three forms of the layer model:

1. Absolute Positioning (Position:absolute)

2. relative positioning (position:relative)

3, fixed positioning (position:fixed)

What is a layer model?