CSS :lang Selector

The :lang() pseudo class selector in CSS matches elements based on the context of their given language attribute. Language in HTML, is determined by a combination of the lang="" attribute, the <meta> element, and by information from the protocol such as the HTTP Accept-Language request-header1 field. Acceptable language-code strings are specified in the HTML 4.0 specification.

The :lang() CSS pseudo-class matches elements based on the language they are determined to be in.

What is lang Selector?

CSS lang selector select all matches element whose have lang attribute value "fr" (without single/double quote).

The :lang() selector is used to select elements with a lang attribute with the specified value.

Example -