#page-top {
	position: fixed;
	right: 20px;
	bottom: 100px;
	font-size: 90%;
}
#page-top a {
	text-decoration: none;
	color: #fff;
	width: 100px;
	padding: 30px 0;
	text-align: center;
	display: block;
	border-radius: 10px;
	opacity: 0.5;
	background-color: #42bc4c;
}
#page-top a:hover {
	text-decoration: none;
	background-color: #42bc4c;
}