LessonAbout 5 minLesson languageEnglishதமிழ் (Tamil)हिन्दी (Hindi)മലയാളം (Malayalam)తెలుగు (Telugu)ಕನ್ನಡ (Kannada)বাংলা (Bengali)मराठी (Marathi)ગુજરાતી (Gujarati)ਪੰਜਾਬੀ (Punjabi)Chapter 2 · Lesson 4 of 404. Names for elements: id and classAn id names one element on the page; a class names a group of them. They don't change how it looks, yet, but CSS and links use them.