body {
	font-family: Arial, Helvetica, sans-serif;
	margin:0;
	padding:0;
	background-color: black;
}

header{
	margin-top: 0 ;
	background: gray ;
	color:red;
}

section {
	text-align: center;
	color:white;
	position:relative;
	margin-left: 20%;
	margin-right:20%;
	width: 60%;
	margin-top: 2em;

}

footer{
	clear:both;
	width:100%;
	color:grey;
	text-align:center;
}