---
title: CSS Custom Properties (CSS Variables)
category: css
bugzilla: 773296
firefox_status: 31
mdn_url: https://developer.mozilla.org/Web/CSS/Using_CSS_variables
spec_url: http://dev.w3.org/csswg/css-variables/
caniuse_ref: css-variables
webkit_ref: CSS Properties and Values API Level 1
chrome_ref: 6401356696911872
ie_ref: CSS Custom Properties (a.k.a. CSS Variables)
---

A way to define and use variables that can be used in place of any CSS property.

---
title: CSS Custom Properties (CSS Variables)
category: css
bugzilla: 773296
firefox_status: 31
mdn_url: https://developer.mozilla.org/Web/CSS/Using_CSS_variables
spec_url: http://dev.w3.org/csswg/css-variables/
caniuse_ref: css-variables
webkit_ref: CSS Variables
chrome_ref: 6401356696911872
ie_ref: CSS Custom Properties (a.k.a. CSS Variables)
---

A way to define and use variables that can be used in place of any CSS property.

Fix wrong webkit_ref given for CSS variables
Fix wrong webkit_ref given for CSS variables

The `webkit_ref` given for CSS variables is "CSS Properties and Values API Level 1" instead of "CSS Variables", incorrectly indicating that Safari has not shipped the feature.