.test {
	border: 5px double black;
	padding: 10px;
	color: white;
	min-height: 40px;
	background: -webkit-radial-gradient(center,100px 100px,red,yellow 40%,green 75%);
	background: radial-gradient(circle 100px at center,red,yellow 40%,green 75%);
}