The @charset rule specifies the character encoding used in the style sheet. The @charset must be the first element in the style sheet and if several @charset rules are defined then the only first one is used. It can not be used in the <style> element where the character set of the HTML page is relevant.
Syntax:
@charset "utf-8";
Property value: This parameter accepts a single value “charset”. It is useful when some NON-ASCII characters are used in the content. There are so many ways to define the character encoding of a style sheet. All the browsers follow the following methods in the given orders.
- The value of the Unicode byte-order character has to be placed at the beginning of the file.
- The value is given by the charset attribute of the Content-Type: HTTP header or the equivalent in the protocol used to serve the style sheet.
- Use the character encoding defined by the referring document. This method does not use in HTML 5.
- Assume that the document is UTF-8
Note: Below list describes the correct and incorrect charset encoding:
@charset ‘iso-8859-15’; [Wrong quoting style used, it’s invalid] @charset “UTF-8”; [More than one space invalid] @charset “UTF-8”; [Invalid, there is a character (space) before the at-rule] @charset “UTF-8”; [It Sets the encoding of the style sheet to the Unicode UTF-8]
Example: In this example, we are using the above-explained property.
html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>CSS @charset Rule</title>
<style>
h1 {
color: green;
}
</style>
</head>
<body>
<center>
<h1>Geeksforgeeks</h1>
<p>Learn</p>
<p>Contribute</p>
<p>Explore</p>
</center>
</body>
</html>
|
Output:
Supported Browsers: The browser supported by @charset rule are listed below:
- Google Chrome 2.0
- Microsoft Edge 12.0
- Internet Explorer 5.5 above
- Firefox 1.5
- Safari 4.0
- Opera 9.0
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