How to add css style to html

htmlThe ways to add css styles include inline styles, internal style sheets and external style sheets. Detailed introduction: 1. Inline styles are written directly inside HTML elements and defined through the style attribute. This method is suitable for style definition of a single element. It is not recommended for widespread use in large projects because it will make the HTML code confusing. , difficult to maintain; 2. The internal style sheet is placed in the " " tag of the HTML document and defined using the " " tag. This method is suitable for style definition of a single HTML file, etc.

There are several different ways to add CSS styles to HTML, including inline styles, internal style sheets, and external style sheets. Below I'll explain each method in detail and give corresponding example code.

Inline style:

Inline style is written directly inside the HTML element and is defined through the style attribute. This method is suitable for style definition of a single element and is not recommended for widespread use in large projects because it can make the HTML code cluttered and difficult to maintain.

Sample code:

这是一段红色的文本。

Copy after login Internal style sheet:

The internal style sheet is placed within the tag of the HTML document and is defined using the tag. This method is suitable for style definition of a single HTML file. If you need to use the same style in multiple HTML files, you need to copy the code, which is not conducive to code reuse and maintenance.

Sample code:

p { color: red; } 这是一段红色的文本。

Copy after login External style sheet:

The external style sheet is an independent CSS file that is referenced in the HTML file through the tag. This is the most recommended method because it keeps style and content separated, improving code maintainability. At the same time, external style sheets can be referenced in multiple HTML files to achieve code reuse.

Suppose we have a CSS file named styles.css with the following content:

p { color: red; } Copy after login The code to reference the CSS file in the HTML file is as follows:

这是一段红色的文本。

Copy after login In the above In the code, the href attribute specifies the path to the CSS file. If the CSS file and HTML file are in the same directory, you can use the file name directly. If they are not in the same directory, you need to provide a relative path or an absolute path.

In addition to the above three methods, you can also use the @import statement to reference CSS styles. The @import statement can be used anywhere in an HTML document, but it is usually placed within the tag. When using the @import statement, you need to specify the path of the CSS file to be imported.

Sample code:

@import url('styles.css'); 这是一段红色的文本。

Copy after login

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How to add css style to html