说明：  no intro
(This reference manual is in "perfect web design CSS quick reference" based on the 3 rd major upgrade, also refer to the W3C website information, Microsoft DHTML reference, and the Su Yu s "Handbook of Chinese style sheet" information, in this thanks. This manual serve as the front page designer, in the reference use is found to have inappropriate or offensive Department please contact the author, in the spirit from the people, the principle benefit of the people, we will constantly improve and upgrade this manual. CSS properties of many, in W3C CSS 2.0 standard version of the 122 properties, the W3C CSS 2.1 standard version of the 115 properties, which removed the CSS 2.0 version 7 duplicate or unwanted properties: font-size-adjust, font-stretch, marker-offset, marks, page, size and text-shadow.)