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The unset value of a CSS property, which is the same as inherit if a property is inherited or initial if a property is not inherited, has no initial value.
Last updated on : 2023-03-20
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
CSS Cascading and Inheritance Level 3 # inherit-initial
CSS unset value on IE is not supported on any IE versions.
CSS unset value on Edge is fully supported on 13-111, and not supported on 12-12 Edge versions.
CSS unset value on Firefox is fully supported on 27-113, and not supported on 2-26 Firefox versions.
CSS unset value on Chrome is fully supported on 41-114, and not supported on 4-40 Chrome versions.
CSS unset value on Safari is fully supported on 9.1-16.4, and not supported on 3.2-9 Safari versions.
CSS unset value on Opera is fully supported on 28-95, and not supported on 9.5-27 Opera versions.
CSS unset value on Safari on iOS is fully supported on 9.3-16.4, and not supported on 3.2-9 Safari on iOS versions.
CSS unset value on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.
CSS unset value on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.
CSS unset value on Chrome for Android is fully supported on all Chrome for Android versions.
CSS unset value on Firefox for Android is fully supported on all Firefox for Android versions.
CSS unset value on Samsung Internet is fully supported on all Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:CSS unset value 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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