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This article will explain in detail about the DIVCSS page layout so that search engine spiders are no longer tired, the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

How to make CSS layout?

How to link CSS files

1. Additional links: external CSS files 2. Import CSS: when you often apply multiple CSS files, import multiple CSS into a CSS file

There are three CSS rule definitions

1. Classes such as ".RedText", ".BlueText", ".BigText" and so on

2. Redefine the CSS of the original HTML tag.

3. High-level pseudo-classes, elements that define ID, and comprehensive definitions

Application of CSS rules

1. Only the "class" style needs to be applied, class= "xxxx". Classes can be applied to any element.

2. The difference between class and id

3, tag applications generally for the "body" tag one-time use, for example, "li", "td" and other more repetitive in the page tag definition is not recommended.

4. Advanced and multi-use, defining "# id li" is much better than defining "li".

The order in which CSS rules are executed

1. According to the order of execution of CSS codes

2. If there are duplicate rules, follow the definition to be executed later

3. The final rule is the synthesis of multiple defining rules.

Key point: advanced rule definition

1. Text style definitions for different tables. (different tables use different ID and class style definitions)

2. Multiple hyperlink style definitions on one page

3. CSS common definition of multiple objects with the same rules and different objects

4. Which is more scientific to consider for multiple CSS ways of defining the same object (extensibility and code simplicity)

About DIVCSS page layout how to make search engine spiders no longer tired to share here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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