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CSS Variables (Custom Properties)

CSS variables have been designed to permit more efficiency in the situations where you need to redefine a color, a font size, or any other common property across a whole set of documents.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 14

15 - 15

16 - 111

2 - 30

31 - 113

4 - 48

49 - 114

3.2 - 9

9.1 - 9.1

10 - 16.4

9.5 - 35

36 - 95

Fully Supported

Partially

No Support

Browser Compatibility

CSS Variables (Custom Properties) on IE is not supported on any IE versions.

CSS Variables (Custom Properties) on Edge is fully supported on 16-111, partially supported on 15-15, and not supported on 12-14 Edge versions.

CSS Variables (Custom Properties) on Firefox is fully supported on 31-113, and not supported on 2-30 Firefox versions.

CSS Variables (Custom Properties) on Chrome is fully supported on 49-114, and not supported on 4-48 Chrome versions.

CSS Variables (Custom Properties) on Safari is fully supported on 10-16.4, partially supported on 9.1-9.1, and not supported on 3.2-9 Safari versions.

CSS Variables (Custom Properties) on Opera is fully supported on 36-95, and not supported on 9.5-35 Opera versions.

CSS Variables (Custom Properties) on Safari on iOS is fully supported on 10-16.4, partially supported on 9.3-9.3, and not supported on 3.2-9 Safari on iOS versions.

CSS Variables (Custom Properties) on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.

CSS Variables (Custom Properties) on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.

CSS Variables (Custom Properties) on Chrome for Android is fully supported on all Chrome for Android versions.

CSS Variables (Custom Properties) on Firefox for Android is fully supported on all Firefox for Android versions.

CSS Variables (Custom Properties) on Samsung Internet is fully supported on 5-20, and not supported on 4-4 Samsung Internet versions.

Browser Support for CSS Variables (Custom Properties)

CSS Variables (Custom Properties) on Chrome

CSS Variables (Custom Properties) on Safari

CSS Variables (Custom Properties) on Firefox

CSS Variables (Custom Properties) on Internet Explorer

CSS Variables (Custom Properties) on Opera

CSS Variables (Custom Properties) on Edge

References

Data sourced from

High

Overall Browser Compatibility Score

Note:CSS Variables (Custom Properties) shows a browser compatibility score of 92. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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