background-size
Widely available since 2018-01-29
The background-size CSS property scales or stretches a background based on the size of the element (with the contain and cover keywords), a length, or percentage.
Learning resources on MDN
Browser support
- Chrome 21 Released on 2012-07-31
- Chrome Android 25 Released on 2013-02-27
- Edge 12 Released on 2015-07-29
- Firefox 9 Released on 2011-12-20
- Firefox for Android 18 Released on 2013-01-08
- Safari 5.1 Released on 2011-07-20
- Safari on iOS 4.2 Released on 2010-11-22