LessonAbout 6 minLesson languageEnglishதமிழ் (Tamil)हिन्दी (Hindi)മലയാളം (Malayalam)తెలుగు (Telugu)ಕನ್ನಡ (Kannada)বাংলা (Bengali)मराठी (Marathi)ગુજરાતી (Gujarati)ਪੰਜਾਬੀ (Punjabi)Chapter 3 · Lesson 4 of 504. Sizes and boldnessSet text sizes in px or rem (1rem is 16px), and make text bold or light with font-weight, from 100 to 900.