ul {list-style-type: none; padding: 0; margin: 0;}
.body{
	height: 1000px;
	width: 60%;
	margin: 0 auto;
}
#top{
	height: 20%;
	background: black;
}
.center{
	height: 60%;
	background: green;
}
.foot{
	height: 20%;
	background: purple;
}
.menu{
	width: 100%;
}
.menu a{
	display: block;
	text-align: center;
	font-size: 32px;
}
.menu li{
	display: inline;
	float: left;
	width: 20%;	
}