#back-top {
	position: fixed;
	bottom: 30px;
	margin-left: 90%;
}
#back-top a {
	display: block;
	text-align: center;
	color: #aaa;
	-webkit-transition: 1s;
	-moz-transition: 1s;
	transition: 1s;
	text-decoration: none;
	text-align: center;
}
#back-top a img {
	filter: alpha(opacity=60);
	-moz-opacity: 0.6;
	opacity: 0.6;
}
p#back-top a:hover {
	color: #000;
}
#back-top a:hover img {
	filter: alpha(opacity=100);
	-moz-opacity: 1;
	opacity: 1;
	-webkit-transition: 0.7s;
	-moz-transition: 0.7s;
	transition: 0.7s;
}