What are the advantages of css

Advantages of CSS: 1. Write CSS once and reuse it in multiple HTML pages through external introduction; 2. The code is greatly reduced and the page loads faster; 3. Easy to maintain, if you want If you make global changes, you only need to change the style, and all elements in all web pages will be automatically updated; 4. Multi-device compatibility.

The operating environment of this tutorial: Windows 7 system, CSS3 version, Dell G3 computer.

Cascading Style Sheets (English full name: Cascading Style Sheets) is a computer used to express document styles such as HTML (an application of Standard Generalized Markup Language) or XML (a subset of Standard Generalized Markup Language). language. CSS can not only statically modify web pages, but can also cooperate with various scripting languages ​​to dynamically format various elements of web pages.

CSS can perform pixel-level precise control over the layout of element positions in web pages, supports almost all font size styles, and has the ability to edit web page objects and model styles.

Advantages of CSS

(1) Write CSS once and then reuse it multiple times in multiple HTML pages through external introduction

(2 ) Page loads faster: By using CSS, you don’t need to write HTML tag attributes every time, you only need to write a CSS rule for a tag and apply it to all instances of that tag, so the code is greatly reduced which means Download time is short.

(3) Easy to maintain: If you want to make global changes, you only need to change the style, and all elements in all web pages will be updated automatically.

(4) Multi-device compatibility: Style sheets allow content to be optimized for many different types of devices.

Learning video sharing: css video tutorial

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