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What does css mean? What is the use?

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Apr 13, 2023 am 09:21 AM

CSS is the abbreviation of Cascading Style Sheets, which means cascading style sheets. It is a language used to describe the display style of web pages. While HTML is used to describe the structure and content of web pages, CSS is used to describe the display appearance of web pages, such as fonts, colors, backgrounds, borders, spacing, etc.

The purpose of CSS is to separate the presentation of the page from the content and structure in order to better maintain and manage the web page. By separating style and design from HTML, CSS makes web pages easier to change and update, while making code more standardized and easier to understand.

CSS can define styles through internal style sheets, external style sheets and inline style sheets. Among them, the internal style sheet is defined in the HTML document through the

CSS can define various style attributes, such as color, font size, line spacing, text alignment, background color and pictures, etc. Styles can also be inherited and overridden, making it easier to write reusable and extensible styles.

CSS can also select elements to apply styles through selectors. For example, you can use id selectors (starting with #) to select specific elements, class selectors (starting with .) to select a group of elements with common characteristics, and tag selectors (without symbols) to select specific HTML tags , and combination selectors to select elements with specific combination attributes.

In short, CSS is a very important Web technology that can be used to change the appearance, layout, and interaction of web pages, thereby improving user experience and design aesthetics. Mastering the basic knowledge of CSS can help web developers better develop and maintain websites, and can also improve users' browsing experience.

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