*{
	margin: 0;
	padding: 0;
}
.wrapper{
	width: 400px;
	height: 200px;
	background: #ccc;
	position: absolute;
	top: 50%;
	left: 50%;
	margin-left: -200px;
	margin-top: -100px;
	overflow: hidden;
}
.circle1{
	position: absolute;
	width: 100px;
	height: 100px;
	top: -50px;
	left: -50px;
	background: #fc0;
	border-radius: 50px;
}
.circle2{
	position: absolute;
	width: 100px;
	height: 100px;
	top: 150px;
	left: 350px;
	background: #fc0;
	border-radius: 50px;
}