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Editor to share with you what are the basic attributes of Css, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

I. tag attributes and styles

1. The content of the web page corresponds to the tag according to the function you want.

2. Find the corresponding tag, click on the box to see the prompt, and select the corresponding word (or style) to describe the tag.

Can directly type out we become attribute (attribute), similar to fonts in color and so on.

What can't be typed out is called detail, or rather, style Style.

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TIPS: styles control the presentation of tags more accurately and more variously than attributes

2. CSS introduction:

Cascading [Kæ s'ke has a cascading style sheet] Style Sheet.

3. Selector:

1. Tag selector

Controls the corresponding tag through the keyword of the tag.

Test text

Abc

Def

/ * tag selector * /

Font {

Color:red

Font-size:20px

Font-family: Chinese Xingkai

}

TIPS: all corresponding tags will take effect, some of which do not want to take effect and need to be used

2. Class selector

Test text

Abc

Def

/ * Class selector, start with. Select a device name definition, and then use that definition to add class= "define class selector name" * / to the tag

.c1 {

Color:red

Font-size:20px

}

.c2 {

Color:blue

Font-size:30px

}

3. ID selector

Test text

Abc

Def

/ * ID selector, defined with the name of # selector, and the corresponding tag is called through ID * /

# c1 {

Color:green

Font-size:18px

}

TIPS: it is recommended that ID selectors should not be used repeatedly; try to reduce the definition and use of ID selectors to avoid code conflicts.

IV. Mode of use of CSS

1. Inline: find the corresponding tag and use style= to "describe".

2. Embedded: by sneaking into

3, outside the chain: first write the inline, and then the embedded style code is cut into a separate CSS file (named to be consistent with the corresponding foreground page), and the foreground page is deleted and written in.

TIPS:

1. In external files, you can @ charset "gbk"

5. CSS priority:

1. Attributes and styles, style first

2. In-line > in-line > outer chain

6. Examples of commonly used attribute styles of fonts:

Size: size, default is 3, default 12PX, you can use + zoom in,-zoom out, no more than + 7, excess will be displayed as maximum or minimum

Color Color: # ffffff red rgba (0Pol 0255255)

Font size font-size: unit size (pixel px)

Font weight: font-weight

Font embellishment text-decoration: the same styles of underline, line-through, overline and none cannot be used many times, and the general solution for reuse is nesting.

Abc

Uppercase and lowercase text-transform: capitalize initials uppercase uppercase lowercase lowercase is not valid for Chinese.

Homework: write 3 paragraphs of English, each paragraph, the first English word is converted to uppercase.

Single line text line height line-height

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Some people are doing something.

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