/* Back to top button */
 a.back-to-top {
 	display: none;
 	width: 60px;
 	height: 60px;
 	text-indent: -9999px;
 	position: fixed;
 	z-index: 999;
 	right: 20px;
 	bottom: 20px;
 	background: red url("up-arrow.png") no-repeat center 43%;
 	-webkit-border-radius: 30px;
 	-moz-border-radius: 30px;
 	border-radius: 30px;
 }
 a:hover.back-to-top {
 	background-color: black;
}