box-sizing

Read More at MDN DocsView Spec

Safe to Use

box-sizing is considered safe to use.

It’s supported by 94% of global browsers.

Browsers

ChromeMar 8, 2011v10.0.0
26%100%
100% of Chrome users are running a supported version.
SafariJul 20, 2011v5.1.0
5%100%
100% of Safari users are running a supported version.
EdgeJul 28, 2015v12.0.0
5%100%
100% of Edge users are running a supported version.
FirefoxApr 29, 2014v29.0.0
3%100%
100% of Firefox users are running a supported version.

Version Breakdown

 
Agent
Support
Adoption
Chrome
Mar 8, 2011 v10.0.0
26%100%
100% of Chrome users are running a supported version.
Mar 8, 2011 – Latest
v10.0.0+
26%100%

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

Dec 11, 2008 – Latest
v1.0.0+
26%100%

Implemented with the vendor prefix: -webkit-

Chrome Android
Jun 27, 2012 v18.0.0
36%100%
100% of Chrome Android users are running a supported version.
Jun 27, 2012 – Latest
v18.0.0+
36%100%

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

Jun 27, 2012 – Latest
v18.0.0+
36%100%

Implemented with the vendor prefix: -webkit-

Edge
Jul 28, 2015 v12.0.0
5%100%
100% of Edge users are running a supported version.
Jul 28, 2015 – Latest
v12.0.0+
5%100%

Full Support

Jul 28, 2015 – Latest
v12.0.0+
5%100%

Implemented with the vendor prefix: -webkit-

Firefox
Apr 29, 2014 v29.0.0
3%100%
100% of Firefox users are running a supported version.
Apr 29, 2014 – Latest
v29.0.0+
3%100%

Full Support

Sep 20, 2016 – Latest
v49.0.0+
3%100%

Implemented with the vendor prefix: -webkit-

Nov 9, 2004 – Latest
v1.0.0+
3%100%

Implemented with the vendor prefix: -moz-

Before Firefox 23, box-sizing is not respected when the height is calculated from window.getComputedStyle().

Firefox for Android
Apr 29, 2014 v29.0.0
Firefox for Android supports this feature.
Apr 29, 2014 – Latest
v29.0.0+

Full Support

Sep 20, 2016 – Latest
v49.0.0+

Implemented with the vendor prefix: -webkit-

Mar 29, 2011 – Latest
v4.0.0+

Implemented with the vendor prefix: -moz-

Before Firefox 23, box-sizing is not respected when the height is calculated from window.getComputedStyle().

Internet Explorer
Mar 19, 2009 v8.0.0
0%100%
100% of Internet Explorer users are running a supported version.
Mar 19, 2009 – Latest
v8.0.0+
0%100%

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

 
Quest Browser
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

Unknown
v5.0.0+

Implemented with the vendor prefix: -webkit-

Opera
Jan 28, 2003 v7.0.0
1%100%
100% of Opera users are running a supported version.
Jan 28, 2003 – Latest
v7.0.0+
1%100%

Full Support

Opera Android
May 21, 2013 v14.0.0
Opera Android supports this feature.
May 21, 2013 – Latest
v14.0.0+

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

May 21, 2013 – Latest
v14.0.0+

Implemented with the vendor prefix: -webkit-

Safari
Jul 20, 2011 v5.1.0
5%100%
100% of Safari users are running a supported version.
Jul 20, 2011 – Latest
v5.1.0+
5%100%

Full Support

Oct 26, 2007 – Latest
v3.0.0+
5%100%

Implemented with the vendor prefix: -webkit-

Safari on iOS
Sep 10, 2012 v6.0.0
17%100%
There are no users of Safari on iOS running a supported version.
Sep 10, 2012 – Latest
v6.0.0+
17%100%

Full Support

Jun 29, 2007 – Latest
v1.0.0+
17%100%

Implemented with the vendor prefix: -webkit-

Samsung Internet
Apr 27, 2013 v1.0.0
2%100%
100% of Samsung Internet users are running a supported version.
Apr 27, 2013 – Latest
v1.0.0+
2%100%

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

Apr 27, 2013 – Latest
v1.0.0+
2%100%

Implemented with the vendor prefix: -webkit-

WebView Android
Oct 18, 2011 v4.0.0
WebView Android supports this feature.
Oct 18, 2011 – Latest
v4.0.0+

Full Support

box-sizing is not respected when the height is calculated from window.getComputedStyle().

Oct 26, 2009 – Latest
v2.0.0+

Implemented with the vendor prefix: -webkit-

See Also

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