<!DOCTYPE html> <html lang="dk"> <head> <title>testing lang attribute</title> <style> div:lang(fr) { color: green; } input:lang(de) { color: blue; } div:lang(dk) { color: yellow; } </style> </head> <body> <div lang="fr">fr language</div> <div lang="de"> <input value="de language"> </div> <div> dk language </div> </body> </html>