What are the types of css rules?

CSS rules include: General rules: Select all elements Type selector: Select elements based on element type Class selector: Select elements based on the class attribute of the element ID Selector: Select elements based on the id attribute of the element (unique) Descendant selector: selects elements within a specific parent element Child selector: selects elements that are direct children of a specific parent element Pseudo-class: selects elements based on their state or attributes Pseudo-element: creates additional content within an element @import rules: Import external stylesheet @media Rules: Apply styles based on media type @keyframes Rules: Define animation keyframe sequences

Types of CSS rules

CSS rules are used to define the styles of web page elements. Depending on scope and specificity, there are the following types of CSS rules:

General rules

• Select all elements.
• For example: body { ... }

Type selector

• According to the element type Select element.
• For example: p { ... }

Class selector

• According to the element's The class attribute selects elements.
• For example: .example { ... }

ID selector

• According to the element The id attribute selects the element (unique).
• For example: #example { ... }

Descendant selector

• Select specific Element within the parent element.
• For example: p a { ... }

Sub selector

• Select as specific The element that is a direct child of the parent element.
• For example: p > a { ... }

Pseudo class

• Based on The element's state or property selects the element.
• For example: a:hover { ... } Select the effect of the mouse hovering over the element

Pseudo element

• Create additional content within the element.
• For example: ::before { ... } Create text or content before the element

In addition, there are the following special types of rules:

@import rule

• is used to import external style sheets.
• For example: @import "style.css";

@media rules

• Based on The media type (such as screen size or device type) applies the style.
• For example: @media screen and (max-width: 768px) { ... }

@keyframes Rules

• Define animation keyframe sequence.
• For example: @keyframes myAnimation { ... }

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