CSS 样式表中文手册，手册提供了完整的 CSS2.0 的属性(Properties)、规则(At-Rules)、伪类(Pseudo-Classes)、伪元素(Pseudo-Elements)、声明(Declarations)、单位(Units)、选择符(Selectors)的介绍。-CSS stylesheet Chinese manual, which provides a complete CSS2.0 properties (Properties), rules (At-Rules), pseudo-class (Pseudo-Classes), pseudo-elements (Pseudo-Elements), Statement (Declarations), unit ( Units), selectors (Selectors) introduction.