CSS is Cascading Style Sheets (English: Cascading Style Sheets, also known as string style list, cascading style sheet, concatenated style sheet, hierarchical style sheet) is a type of style sheet used to style structured documents (such as HTML documents or XML application) A computer language for adding styles (fonts, spacing, colors, etc.), defined and maintained by the W3C. The latest version is CSS2.1, which is a recommended standard by W3C. CSS3 is now supported by most modern browsers, while the next version, CSS4, is still under development.
CSS style sheet
Basic introduction to style sheets
1. Inline style sheets
Add style directly in the tag
Example:
<p style=“”> </p>
2. Embedded style sheet
As a The independent area is embedded in the web page and must be uninstalled
within the head tag. Example:
<head>
<style=“”>
</style>
</head>3. External style sheet
is css Style sheet, you need to create a new css file to put the style sheet. If you call a style sheet in an html file, you need to right-click on the html file → CSS Style → Attach Style Sheet. (Generally use link connection method)
Note: Some tags will have default margins, which are generally removed when writing code (you can also set other required styles)
* （对所有标签起作用）
{margin：0px； （边距）
padding：0px；} （间距）The above is the detailed content of what is css style sheet. For more information, please follow other related articles on the PHP Chinese website!
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