#page-top {
	position: fixed;
	right: 20px;
	bottom: 20px;
	width: 60px;
	height: 60px;
	background-size: cover;
	background-image: url(img/top.png);
	opacity: 0.5;
	filter: alpha(opacity=50);
	-moz-opacity: 0.5;
}
#page-top a {
	text-decoration: none;
	text-align: center;
}
#page-top a:hover {
	text-decoration: none;
	background-size: cover;
}