CSS / Background-Image / repeating-radial-gradient()

CSS:
.demo-repeating-radial-gradient{
	width:110px;
	height:110px;
	background-image:repeating-radial-gradient(blue, yellow 10%, rgba(112, 175, 4, 1) 15%);
	border:1px solid white;
}

HTML:
<div class="demo-repeating-radial-gradient"></div>