a.back-to-top {
	display: none;
	width: 36px;
	height: 27px;
	text-indent: -9999px;
	position: fixed;
	z-index: 999;
	right: 20px;
	bottom: 20px;
	background: transparent url("../_r_images/common/back-to-top-up-arrow.png") no-repeat center 43%;
}
a:hover.back-to-top {
	background-color: transparent;
}