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This article is to share with you about the advantages of CSS. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The meaning of CSS

CSS (CascadingStyleSheets) is a computer language used to represent file styles such as HTML. It is mainly responsible for dealing with the appearance style of the web page, through which you can change

The width and height of the box, text color, font style, paragraph spacing, background image or color used, depending on the layout design, the screen size of different devices will change differently.

Advantages of CSS

(1) time saving: you can write CSS once, and then introduce multiple reuse through external introduction in multiple HTML pages

(2) the page loads faster: by using CSS, you don't need to write HTML tag attributes every time, you just need to write a tag's CSS rules, and apply it to all instances of the tag, so the code is greatly reduced, which means a short download time.

(3) easy to maintain: if you want to make global changes, you only need to change the style, and all elements in all pages will be updated automatically.

(4) multiple device compatibility: stylesheets allow you to optimize content for many different types of devices.

How CSS works in browsers

The browser reads the style definition from top to bottom in the style sheet. This also means that the styles we define in the stylesheet will overwrite any previous styles previously defined in the stylesheet, but we can redefine them in later elements and will not be overridden

Div {

Width:100px

Height:100px

Background-color:pink

Margin-top:5px

}

Image6.jpg

After redefining the subsequent element style

.box {

Background-color:yellow

}

Image7.jpg

The use of CSS

By declaring a specific style for each element, CSS is applied to the HTML element in the web page. Style declarations are often in format:

Selector {

Set property value

}

Div {

Width:100px

Height:100px

Background-color:pink

}

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