The remaining chapters of this book cover the multitude of properties available in CSS. In these chapters, possible property values are given using a formal notation, such as the one shown here:
text-shadow : inherit | none | <offset-x> <offset-y> [<blur-radius>] [<color>]
This notation means that the text-shadow property can have one of three different kinds of values. The default value is listed first; in this case, it is inherit. Because the inherit keyword can be set for any property, it is not included unless it is the default value. The second value, none, is also a keyword. It is the initial value ...