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What is css technology

little bottleOriginal: 2019-05-31 10:12:475604browse

What is CSS? Maybe you've heard of CSS, but don't really know what it is. In this article you will learn more about CSS and what it can do.

CSS is the abbreviation of Cascading Style Sheets.

What can you do with CSS?

CSS is a style sheet language used to define the layout of HTML documents. CSS can perform pixel-level precise control over the layout of element positions in web pages, supports almost all font sizes and styles, and has the ability to edit web page objects and model styles.

For example, CSS involves fonts, colors, margins, height, width, background images, advanced positioning, etc.

Of course HTML can also add layout effects to the website, but it may be misused. CSS provides more choices and is more precise and complete. All browsers now support CSS.

What is the difference between CSS and HTML?

HTML is used for structured content; CSS is used for formatting structured content.

In the era when Tim Berners-Lee invented the World Wide Web, HTML was the only language used to add structure to text.

Authors can mark up text by stating "This is a heading" (using the h1 tag) or "This is a paragraph" (using the p tag).

As the Web gradually became popular, web designers began to seek the possibility of adding layout to web pages. To this end, browser manufacturers at the time (Netscape and Microsoft) invented some new HTML tags (such as , etc.) to introduce a new layout - not a new structure.

This has also resulted in tags originally used for structuring text (such as

, etc.) being increasingly misused for page layout. Many new layout tags (such as ) are supported by only one browser. "You need to use such-and-such browser to view this page" became a common statement on many websites at the time.

CSS was invented to improve this situation. It provides web designers with complete layout capabilities that are supported by all browsers.

Moreover, the separation of document presentation style and content also makes website maintenance much easier.

What are the benefits of using CSS?

CSS is a revolution in the world of web design. The specific advantages of CSS include:

1. Control the layout of multiple documents through a single style sheet;

2. More precise layout control;

3. Adopt different layouts for different media types (screen, print, etc.);

4. Countless advanced, advanced techniques.

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