CSS Units, Colors and References In this tutorial you will learn about Cascading Style Sheets (CSS), Units and Colors, Percentage, Values, Colors, References – Font and Text, Color and Background, Layout, Classification, Positioning and Pseudo-classes. Units and Colors Percentage Percentage values have to be followed by “%”. Values The absolute values represent a measurement, there are many measurements in CSS, so the measurement unit has to be stated. CSS measurement units are: • cm: centimeter. • em: font size. • ex: half of the font size. • in: inch. • mm: millimeter. • pc: pica. • pt: point. • px:…