How to make CSS3 rounded corners hide overflow in Chrome/Opera

Question

I need round corners on a parent div to mask content from its childen. overflow: hidden works in simple situations, but breaks in webkit based browsers and Oper

Answer 1

Seems this one works:

.wrap {
    -webkit-transform: translateZ(0);
    -webkit-mask-image: -webkit-radial-gradient(circle, white 100%, black 100%);
}

http://jsfiddle.net/qWdf6/82/