* {
	margin:0;
	padding:0;
}
html,body {
	height:100%;
	overflow:hidden;
}
#wrap {
	position:fixed;
	right:0px;
	left:0px;
	width:50px;
	height:50px;
	margin:200px auto;
}
#wrap > .inner {
	height:100%;
}
#wrap > .inner > img {
	position:absolute;
	left:0;
	top:0;
	margin:4px;
	border-radius:50%;
}
#wrap > .home {
	position:absolute;
	left:0;
	top:0;
	z-index:1;
	width:100%;
	height:100%;
	background:url(http://www.jq22.com/img/cs/500x500-6.png) no-repeat;
	border-radius:50%;
	transition:1s;
}