CSS @charset
CSS @charset is an at-rule statement.
It is used in style sheet to specify the character encoding.
@charset should be the first element in the style sheet and no other element should precedes it.
It shouldn't be used in <style> element and in style attribute.
If several @charset statements are used, only the first statement will be used.
@charset 'iso-8859-15';
@charset "UTF-8";