Images can be assigned to borders based on a single image file. The border property must be set. Compatibility -webkit-border-image iOS 3.2+ Android 2.1+ Blackberry 7+ border-image Firefox 4+ Safari 6+, Chrome 15+ Opera 11+ Not supported by Internet Explorer, Opera Mini and IE Mobile. For detailed compatibility info see caniuse.com. For a better understanding of the admittedly difficult syntax see