XHTML code specification (supplement)

Declare your coding language In order to be properly explained by the browser, all XHTML documents must declare the coding languages ​​they use. code show as below:

The coding language that is declared here is Simplified Chinese GB2312, and if you need to make traditional content, you can define as BIG5.

Give each table and a form to give a unique, structural tag, for example,

Next, when you write a style sheet, you can create a "MENU" selector and associate a CSS rule to tell the table unit, how to display all other elements. In this way, there is no need to bring some extra, wide, align, and background color, etc. of the performance layer of each