html {
	background: url('../img/background.png') no-repeat center center fixed;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}

.links {
	width: 600px;
	margin-left: auto;
	margin-right: auto;
	margin-top: 20%;
}