How to call CSS styles

CSS (Cascading Style Sheets) style is a style sheet language used to describe and define the display effects of web page documents, such as fonts, colors, borders, etc. Adding styles to a web page can make it more beautiful and easier to read, while also improving its interactivity and user experience. So, how to call CSS styles in the actual development process? Let’s explore this in detail below.

Internal style sheet Internal style sheet refers to placing the CSS style code in the tag in the tag inside the HTML file. The advantage of using an internal style sheet is that the CSS code and HTML code are merged together for easy modification and management.

The steps to call the internal style sheet are as follows:

(1) Add the tag to the tag, as shown below:

/* CSS样式代码 */ Copy after login (2 ) Write CSS style code in the tag, as shown below:

body { background-color: #f5f5f5; font-family: Arial, sans-serif; font-size: 14px; color: #333; } Copy after login Copy after login (3) Just put the CSS style code in the tag, as shown below:

我的网页 body { background-color: #f5f5f5; font-family: Arial, sans-serif; font-size: 14px; color: #333; } Copy after login External style sheet External style sheet refers to placing the CSS style code in a separate CSS file, and then calling it through the tag in the HTML file. The advantage of using an external style sheet is that the CSS code can be managed separately, thereby improving the maintainability and readability of the web page.

The steps to call an external style sheet are as follows:

(1) Create a CSS file, such as style.css.

(2) Write the CSS style code in the CSS file as follows:

body { background-color: #f5f5f5; font-family: Arial, sans-serif; font-size: 14px; color: #333; } Copy after login Copy after login (3) Save the CSS file in the project folder.

(4) Add the tag in the tag, as shown below:

我的网页 Copy after login (5) Note that the href attribute needs to point to the path of the CSS file, as mentioned above As mentioned above, if the CSS file and the HTML file are in the same directory, you can use the file name directly, otherwise you need to specify the relative or absolute path of the file.

Inline style Inline style means placing CSS style code directly in the style attribute of the HTML tag. The advantage of using inline styles is that you can adjust the style for a specific tag, which is more flexible.

The steps to call inline styles are as follows:

(1) Find the HTML tag to which you want to add style.

(2) Add the style attribute to the tag, as shown below:

这是一个div Copy after login (3) Just write the CSS style code in the style attribute.

Summary

There are three ways to call CSS styles: internal style sheets, external style sheets and inline styles. Which method you choose depends on your specific needs and implementation. Generally speaking, if you want to adjust the style of the entire website or page, it is recommended to use an external style sheet; if you only want to adjust the style of a certain tag, it is more convenient to use inline styles; and the internal style sheet is somewhere in between. a choice. No matter which method is used, you should abide by CSS syntax specifications and write elegant and easy-to-maintain style code.

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How to call CSS styles