CSS Button

Here is a working example.

The CSS

#nav ul {
	list-style: none;
}
#nav li {
	margin: 7px 0;
	}
#nav a:link, #nav a:visited {
	text-align: center;
	text-decoration: none;
	display: block;
	border: 3px solid;
	border-color: #CCC #333 #333 #CCC;
	width: 240px;
	padding: 5px 0;
	background: #999;
	color: #000000;
	font-weight: bold
}
#nav a:hover {
	position: relative;
	top: 1px;
	left: 1px;
	border-color: #333 #CCC #CCC #333;
}

The html

<div id="nav">
<ul>
<li><a href="#">Button</a></li>
<li><a href="#">Button</a></li>
<li><a href="#">Button</a></li>
<li><a href="#">Button</a></li>
<li><a href="#">Button</a></li>
</ul>
</div>