.back-to-top {
  display: none;
	position: fixed;
	width: 100px;
	height: 40px;
	overflow:hidden;
	_position:absolute;
}

.back-to-top a {
	position:absolute;
	left: 0;
	top: 40px;
}

* html{
	background-image:url(about:blank);
	background-attachment:fixed;
}