CSS base Reference way Tag Selector priority various layouts

Today's CSS Foundation, understand the CSS is cascading table, is to beautify the page, control the style of the page.

Style Sheet Introduction Page 3 ways 1 inline, syntax example: <div style= "Width:100px;height:50px;background: #E91115" > </div> "

2 Inline syntax example (inside head) Div{height:100px;width:100px;background: #EF0E12}

3 external style sheet syntax example (inside head) <link rel= "stylesheet" href= "**.css>"

Selector 1 Tag Selector tag name {style}

2ID selector #id名 {style} (unique)

Class 3 selectors. Class name {} style} (can give any plus)

4 Combo Selector comma to comma-connected labels plus styles such as p,div{}

Empty Grieru ol space IL

Filter label name. Class Name

+

Property selector such as div[date= "div"]{}

Priority 1 within the label style= ""

2id Selector

Class 3 and attribute selectors

4body TD ..... Inside the

5* for all

Note: When the selector is the same, the following style is higher than the above.

Format Layout position:fixed fixed

Position:absolu Absolute Positioning

Position:relative relative positioning

Grammar: any one of position:3; Z-index 10;left or right =100px; top or botton=100px

CSS base Reference way Tag Selector priority various layouts