<html>
<head>
<style type="text/css" rel="stylesheet">
ul {
	width: 210px;
	height: 60px;
	background-color: #66CCFF;
	list-style: none;
}

ul li {
	line-height: 40px;
	text-align: center;
	vertical-align: middle;
	float: left;
	width: 70px;
	height: 55px;
}

ul li:hover {
		border-bottom: 5px solid #7FFF00;
}
</style>
</head>
<body>
<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<ul>
</body>
</html>
Birde bu kodları dener misiniz?