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This article mainly explains "what are the components of CSS rules". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "which parts of CSS rules".

A CSS rule consists of two main parts: a selector and one or more declarations.

Selector {declaration1; declaration2;... DeclarationN}

Selectors are usually HTML elements that you need to change the style.

Each declaration consists of an attribute and a value.

Property is the style property you want to set (style attribute). Each property has a value. Properties and values are separated by colons.

Selector {property: value}

The following line of code defines the text color within the H2 element as red and sets the font size to 14 pixels.

In this example, H2 is the selector, color and font-size are properties, and red and 14px are values.

H2 {color:red; font-size:14px;} Thank you for your reading. The above is the content of "what are the parts of CSS rules?" after the study of this article, I believe you have a deeper understanding of what parts of CSS rules are composed of, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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