What is it : -webkit-

Question

what

Answer 1

-webkit- is a vendor prefix mostly used by Chrome, the reason why you have to use -webkit- for certain features of CSS is because they're still under a test phase, so you can use it but it's not part of the final browser yet, it's still in an experimental phase.

Answer 2

it makes in example an linear-gradient available for its browser
-webkit- for google
-moz- for firefox
-ms- i guess for internet explore
-o- i guess for opera