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Warning: This is a property for controlling parts of the XUL box model. It does not match either the old CSS Flexible Box Layout Module drafts for 'box-flex' which were based on this property or the behavior of '-webkit-box-flex' which is based on those drafts. See flexbox for information about the current standard.
Last updated on : 2023-02-27
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
box-flex on IE is not supported on any IE versions.
box-flex on Edge is fully supported on all Edge versions.
box-flex on Firefox is fully supported on all Firefox versions.
box-flex on Chrome is fully supported on all Chrome versions.
box-flex on Safari is fully supported on all Safari versions.
box-flex on Opera is not supported on any Opera versions.
box-flex on Safari on iOS is fully supported on all Safari on iOS versions.
box-flex on Android Browser support is currently unknown.
box-flex on Opera Mobile is not supported on any Opera Mobile versions.
box-flex on Chrome for Android is fully supported on all Chrome for Android versions.
box-flex on Firefox for Android is fully supported on all Firefox for Android versions.
box-flex on Samsung Internet is fully supported on all Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:box-flex shows a browser compatibility score of 67. 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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