a.social {
	display: block;
	width: 75px;
	height: 57px;
	background: url("../images/social_interaction_icons.png");
	background-color: none;
	border: 0;
	margin: .2em;
	float: left;
}

a.social span {
	display: none;
}

a.msn {
	background-position: 0 0;
}
a.msn:hover {
	background-position: 0 -57px;
}

a.skype {
	background-position: -75px 0;
}
a.skype:hover {
	background-position: -75px -57px;
}