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This article mainly shows you "how to use css", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to use css" this article.

Talk about the use of css

CSS: responsible for page beautification and layout control

1. Concept: Cascading Style Sheets cascading style sheets

Cascading: multiple styles can be applied to the same html tag and take effect at the same time.

4.CSS syntax:

Format:

Selector {

Attribute name 1: attribute value 1

Attribute name 2: attribute value 2

...

}

Selector: filter elements with similar characteristics.

Note:

Each pair of attributes needs to be used; separated, the last pair can be left unadded. (usually add)

5. Selector: filter elements with similar characteristics.

Classification:

1. Base selector

1.id selector: it is recommended that the id value be unique in a html.

Syntax: attribute value {} of # id

two。 Element selector: select an element with the same tag name.

Syntax: label name {}

3. Class selector: select an element with the same value of the class attribute.

Syntax: .class attribute value {}

Note: class selector takes precedence over element selector.

two。 Expansion selector

Link is the initial state

6. Attribute

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