.demo1 {
	float:left;
	clear:both;
	width:1000px;
	height:200px;
	overflow:hidden;
	position:relative;
}

.demo1 .inside {
position:absolute;
top:50%;
left:0;
height:150px;
margin-top:-75px;
}

.demo1 a {
	display:block;
	position:absolute;
	width:150px;
	height:150px;
	overflow:visible;
	-moz-border-radius:150px;
	-webkit-border-radius:150px;
	border-radius:150px;
	border:5px solid #fff;
}