What is the difference between html and css

Difference: 1. HTML is the structure of the web page, and CSS is the style of the web page. 2. HTML consists of tags surrounding content, while CSS consists of selectors inherited from a declaration block. 3. The comment formats of html and css are different; 4. HTML files can contain CSS code, but CSS style sheets must not contain HTML code.

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

What is HTML?

HTML, Hyper Text Markup Language, is an application under the standard universal markup language. HTML is not a programming language, but a markup language, which is necessary for web page production. It includes a series of tags. These tags can unify the document format on the network and connect scattered Internet resources into a logical whole.

HTML text is descriptive text composed of HTML commands. HTML commands can describe text, graphics, animations, sounds, tables, links, etc.

What is CSS?

CSS (Cascading Style Sheets, Cascading Style Sheets) is a method used to express HTML (an application of Standard Generalized Markup Language) or XML (a subset of Standard Generalized Markup Language) Computer language for file formats. CSS can not only statically modify web pages, but can also cooperate with various scripting languages ​​to dynamically format various elements of web pages.

CSS can perform pixel-level precise control over the layout of element positions in web pages, supports almost all font size styles, and has the ability to edit web page objects and model styles.

The difference between HTML and CSS

1. Different properties

HTML is a description The basic markup language for web content and structure. However, CSS is an extension of HTML that modifies the design and display of web pages.

HTML is the structure of a web page, and CSS is the style of a web page. For example, if the entire web page is compared to a person, then HTML is the bones and CSS is the clothes.

2. Different syntax

HTML consists of tags surrounding content. CSS, on the other hand, consists of a selector declared in a block inheritance.

html syntax

• HTML tags are basically keywords (tag names), enclosed in angle brackets, and usually appear in pairs. <tagname>Content tagname></tagname>

  

• ##HTML elements describe specific sections on a web page.

• Content is the text, links, images or other information displayed on a web page.

• The opening tag (
• The closing tag (>) is used to close HTML elements to distinguish individual elements.

css syntax

CSS declarations are inside curly braces, and each declaration consists of two parts: a property and its value, separated by a colon. We can define multiple properties in one declaration, separating each property with a semicolon.

• Selector: Indicates the HTML element to be styled.

• Declaration: Include property and value separated by colon. Additionally, the curly braces surrounding all declarations are called declaration blocks.

• Attributes: Represents aspects of the element to be changed.

• Value: Specifies the setting to apply in the selected property.

3. Comment formats are different

HTML comment format:

<!--注释内容-->

CSS comment format:

/*注释内容*/

4. HTML files can contain CSS code, but CSS style sheets must not contain HTML code.

That is, CSS can be used in HTML files, but HTML cannot be used in CSS style sheets.

Recommended tutorials:

html video tutorial, css video tutorial

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