body{
	background: "b4b4b4";
	font-family: sans-serif;
	margin: 0;
}
#header{
	margin:100px 30px;
}
#header a{
	text-decoration: none;
	color: #fff
}
#header ul li{
	list-style-type: none;
	float: left;
	width: 100px;
	height:30px;
	padding: 20px;
	background: #333;
	text-align: center;
}