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1. Weight value

First: inline style like; style "" with a weight value of 1000

Second-level: ID selector such as: content, weight value of 0100

Third class: Classes, Pseudo-class selectors such as content, the weight value is 0010

IV: Element selector for element selector such as Div, p, weight value 0001

Wildcard selector (*), sub-selector (>) and neighboring sibling selector (+) weight values are 0000

Note: Imporant itself has no weight value, its weight value is 0000, but if it exists, he will make all the weight value of the invalid, the weight of their own values to achieve the highest.

2.transparen Default Transparent Color

3.background:url ("") no-repeat px px: Background shorthand

4.link adding row height in box can be centered in box

5.text-dlign Horizontal Center

6.text-height Vertical Center

7.a:text-decorafion:none Link Remove underline

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