CSS Variables (Custom Properties)
- CRPermits the declaration and usage of cascading variables in stylesheets.
Chrome
- 4 - 47: Not supported
- 48: Disabled by default
- 49 - 123: Supported
- 124: Supported
- 125 - 127: Supported
Edge
- 12 - 14: Not supported
- 15: Partial support
- 16 - 123: Supported
- 124: Supported
Safari
- 3.1 - 9: Not supported
- 9.1: Partial support
- 10 - 17.3: Supported
- 17.4: Supported
- 17.5 - TP: Supported
Firefox
- 2 - 30: Not supported
- 31 - 124: Supported
- 125: Supported
- 126 - 128: Supported
Opera
- 9 - 34: Not supported
- 35: Disabled by default
- 36 - 108: Supported
- 109: Supported
IE
- 5.5 - 10: Not supported
- 11: Not supported
Chrome for Android
- 124: Supported
Safari on iOS
- 3.2 - 9.2: Not supported
- 9.3: Partial support
- 10 - 17.3: Supported
- 17.4: Supported
- 17.5: Supported
Samsung Internet
- 4: Not supported
- 5 - 23: Supported
- 24: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 12.1: Not supported
- 80: Supported
UC Browser for Android
- 15.5: Supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 124: Supported
Firefox for Android
- 125: Supported
QQ Browser
- 14.9: Supported
Baidu Browser
- 13.52: Supported
KaiOS Browser
- 2.5: Supported
- 3: Supported