body{
	background-color:#ffffff;
	margin:0;
	font-family: arial;
	}
div   {
	width: 906px;
	height: 780px;
	margin: auto;
	margin-bottom: 5%;
	}
nav  {
	text-align: center;
	background-color: #000000;
	}
nav a{
	display: inline-block;
	padding: 10px 20px;
	color: #FFFFFF;
	text-decoration: none;
	font-weight: bold;
	}
nav a:hover{
	background-color: #999999;
			}
footer{
	background-color: #000000;
	padding: 25px;
	color: #ffffff;
	text-align: center;
	font-weight: bold;
	}