How to set file encoding in css

In CSS, you can use the "@charset" rule to set the encoding, the syntax format is "@charset "Character encoding type";". The "@charset" rule can specify the character encoding used in the style sheet. It must be the first element in the style sheet and cannot start with any character.

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

In css, you can use the "@charset" rule to set the encoding.

CSS @charset rules

@charset rules specify the character encoding used in style sheets.

@charset The rule must be the first element in the stylesheet and cannot start with any characters. If multiple @charset rules are defined, only the first one is used. The @charset rule cannot be used within a style attribute (on an HTML element) or within a

After "@charset", specify the name of the character encoding (in quotes). For example:

@charset "utf-8";

Note: The @charset rule cannot be used in the character set-related

Syntax:

@charset "字符集名";

Description The character set name is case-sensitive, but for new style sheets it should always be UTF-8. It must be the name of a web-safe character encoding defined in the IANA registry.

Browser support:

All major browsers support @charset rules

Simple example of CSS @charset rules

Example 1: The following @charset declaration indicates that the style sheet uses ISO-8859-15 character encoding:

@charset "ISO-8859-15";

Example 2: The following list describes the incorrect character set encoding:

@charset 'iso-8859-15'; /* 使用了错误的引用样式，因此它无效*/
@charset  UTF-8;   /* 无效，因为字符编码名称未包含在引号中*/
@charset  "UTF-8"; /*多个空格无效 */
@charset "UTF-8";/* 无效，在规则之前有一个字符（空格）*/

Note: If the special characters used in the style sheet cannot be represented in the character encoding specified in the style sheet, you can use "Character Escape" to escape the characters.

(Learning video sharing: css video tutorial)

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