What is the suffix of css3 file?

The suffix name of css3 file is ".css". As the name suggests, the css file is a file used to install css code. The css file uses ".css" as the suffix name of the css file; the css file is essentially a text file, but it is written using the rules of css, so that the browser Can be identified.

The operating environment of this tutorial: Windows 10 system, CSS3&&HTML5 version, Dell G3 computer.

What is the suffix of the css3 file?

The suffix of the css3 file is ".css".

CSS file, as the name suggests, is a text file used to install CSS code, and CSS code consists of text codes with certain regular rules. CSS files have the suffix name of .css. We see that files with the suffix of .css are css files.

The CSS file itself is actually a text type file. It is written using the syntax rules specified by CSS so that the browser can recognize it. In addition to controlling the page layout, the css file can also effectively separate the html code and css code, so that the content and layout can be written independently without interfering with each other, and the organization is clearer.

As the CSS3 standard continues to be supported by more browsers, the functions of CSS are becoming more and more abundant. Together with HTML and JavaScript, it constitutes the three essential elements in web page production.

Cascading Style Sheet (CSS) helps achieve responsible web design. CSS has a huge impact on how developers build Web sites, and the impact may be endless.

Moving most or even all of the presentation information of a web page out of (X)HTML files and keeping them in a style sheet has many advantages, such as reducing file size, saving network bandwidth, and ease of maintenance wait.

In addition, the performance information of the site is separated from the core content, allowing the site designers to make various modifications to the entire website in a short period of time.

CSS simplifies the format code of the web page, and the external style sheet will also be saved in the cache by the browser, speeding up the download and display speed, and also reducing the amount of code that needs to be uploaded (because repeated formatting will is saved only once).

As long as you modify the CSs style sheet file that stores the website format, you can change the style and characteristics of the entire site. It is particularly useful when modifying a site with a large number of pages. This avoids modification of web pages one by one and greatly reduces the workload.

(Learning video sharing: css video tutorial)

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