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Editor to share with you how to use the CSS variable, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

CSS variable

The most powerful CSS level comes from the CSS variable, which allows you to declare a set of common property values that can be reused by keywords anywhere in the stylesheet. You may have a set of colors to use throughout the project to maintain consistency.

Repeating these color values in CSS is not only annoying, but also error-prone. If a color needs to be changed at some point, you have to find and replace it, which is unreliable or unfast, and variables make customization much easier when building a product for the end user. For example:

: root {--main-color: # 06c;-- accent-color: # 999;} H2, h3, h4 {color: var (--main-color);} a [href]: not ([class]), p, footer span {color: var (--accent-color);} above is all the content of the article "how to use CSS variables". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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