#zains a {
	background: url(images/zains.png) top right no-repeat;
	position: fixed;
	bottom: 0;
	right: 0;
	height: 50px;
	width: 50px;
	}
#zains a:hover {
	border: none;
	background-position: 0 -50px;
}
#zains a span {
	display: none;
}