Dirty fix for this bug - https://code.google.com/p/chromium/issues/detail?id=71639
.wrapper {
border-radius: 999px;
border: 1px solid #434a62;
overflow: hidden;
-webkit-backface-visibility: hidden;
-webkit-mask-image: -webkit-radial-gradient(circle, white, black);
}
.child {
background-color: #f00;
}