# CSS Variables 101

DevFeed: [CSS Variables 101](<https://devfeed.tech/articles/css-variables-101-45310.md>)

Original publisher: [Read original article](<https://ishadeed.com/article/css-vars-101/>)

Author: Ahmad Shadeed

Published: 2020-10-06T00:00:00Z

Content type: tutorial

Language: en

Sources: [Ahmad Shadeed](<https://devfeed.tech/sources/ahmad-shadeed.md>)

Topics: [CSS](<https://devfeed.tech/topics/css.md>), [Front end](<https://devfeed.tech/topics/frontend.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>), [Programming](<https://devfeed.tech/topics/programming.md>)

Tags: [css](<https://devfeed.tech/tags/css.md>), [css-variables](<https://devfeed.tech/tags/css-variables.md>), [custom-properties](<https://devfeed.tech/tags/custom-properties.md>), [custom-variables](<https://devfeed.tech/tags/custom-variables.md>), [front-end](<https://devfeed.tech/tags/front-end.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [learn](<https://devfeed.tech/tags/learn.md>)

## AI overview

A detailed tutorial on CSS variables, also known as custom properties. It explains their purpose, reusable values, naming rules, scoping, overrides, and fallback values, with examples and use cases.

## Source excerpt

Learn about CSS variables (CSS custom properties) in detail.