ul {
	margin: 0px;
	padding: 0px 0px 0px 0px;
	list-style: none;
	width: 500px;
}
li {
	margin: 0px 2px 4px 0px;
	float: left;
}

li a {
	display: block;
	padding: 4px 7px 3px 7px;
}
li a:hover {
	background-color: #000;
	color: #fff;
}