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CSS Variables (Custom Properties)

Last updated on : 2023-03-20

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.

Overview

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.

Code snippets

var.htm

Source:var.htm

index.html

Source:index.html

custom-property.css

Source:custom-property.css

Browser Compatibility

CSS Variables (Custom Properties) on IE is fully supported on None of the versions, partially supported on None of the versions, and not supported on 5.5-11 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, partially supported on None of the versions, and not supported on 2-30 Firefox versions.
CSS Variables (Custom Properties) on Chrome is fully supported on 49-114, partially supported on None of the versions, 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, partially supported on None of the versions, 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, partially supported on None of the versions, and not supported on 2.1-4 Android Browser versions.
CSS Variables (Custom Properties) on Opera Mobile is fully supported on 64-73, partially supported on None of the versions, and not supported on 10-12 Opera Mobile versions.
CSS Variables (Custom Properties) on Chrome for Android is fully supported on 97-111, partially supported on None of the versions, and not supported on below 97 Chrome for Android versions.
CSS Variables (Custom Properties) on Firefox for Android is fully supported on 95-110, partially supported on None of the versions, and not supported on below 95 Firefox for Android versions.
CSS Variables (Custom Properties) on Samsung Internet is fully supported on 5-20, partially supported on None of the versions, and not supported on 4-4 Samsung Internet versions.

High

Browser Compatibility Score

Low

Browser Support For IE Versions

Fully

Partially

5.5-11

No Support

Edge

High

Browser Support For Edge Versions

16-111

Fully

15-15

Partially

12-14

No Support

Firefox

High

Browser Support For Firefox Versions

31-113

Fully

Partially

2-30

No Support

Chrome

High

Browser Support For Chrome Versions

49-114

Fully

Partially

4-48

No Support

Safari

High

Browser Support For Safari Versions

10-16.4

Fully

9.1-9.1

Partially

3.2-9

No Support

Opera

High

Browser Support For Opera Versions

36-95

Fully

Partially

9.5-35

No Support

Safari on iOS

High

Browser Support For Safari on iOS Versions

10-16.4

Fully

9.3-9.3

Partially

3.2-9

No Support

Android Browser

High

Browser Support For Android Browser Versions

97-111

Fully

Partially

2.1-4

No Support

Opera Mobile

High

Browser Support For Opera Mobile Versions

64-73

Fully

Partially

10-12

No Support

Chrome for Android

High

Browser Support For Chrome for Android Versions

97-111

Fully

Partially

No Support

Firefox for Android

High

Browser Support For Firefox for Android Versions

95-110

Fully

Partially

No Support

Samsung Internet

High

Browser Support For Samsung Internet Versions

5-20

Fully

Partially

4-4

No Support

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Last Modified date

2023-03-20