WebKit is a HTML web browser rendering engine which is used by Safari and Chrome browsers.
It supports custom css properties which can be prefixed with -webkit-
For example -webkit-font-size will be replaced by the standard font-size.
Below is the list of various other browsers and rendering engines, css-prefix used by them:
| Browser | Engine | CSS Prefix |
| Google Chrome | Blink | -webkit- |
| Opera | Blink | -webkit- |
| Safari | WebKit | -webkit- |
| Mozilla Firefox | Gecko | -moz- |
| Internet Explorer | Trident | -ms- |
| Edge | Blink | -ms- |