#boxes_center {
	position: absolute;
	height: 539px; 
	width: 400px;
	margin: -200px 0px 0px -200px;
	top: 50%; 
	left: 50%;
}
#box_top div {
	width: 400px;
	height: 239px;
	background-repeat:no-repeat;
}
#box_top:hover div {
	background-position:0px -239px;
}
#box_bottom div {
	width: 400px;
	height: 160px;
	background-image: url('mail.png');
}
#box_bottom:hover div {
	background-position:0px -160px;
}
#body, html {
	margin: 0px;
	padding: 0px;
	background: #1d2d44;
	font: 16px Ubuntu, Tahoma, Veranda, Arial;
	color: #fff;
	text-align: center;
}
#copyright {
	position: absolute;
	margin: 3px 10px;
	right: 0%;
	bottom: 0%;
	font-style: italic;
	color: #fff;
	font-size: 14px;
	text-shadow: 0px 0px 0.1px #333;
}
#copyright a {
	color: #fff;
	text-decoration:none;
}
a:link {
	color: gray;
	text-decoration: none;
}
a:hover {
	color: #fff;
	text-decoration: none;
}
a:visited {
	color: gray;
	text-decoration: none;
}