背景画像と横並びのナビゲーションとhover

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-traditional.dtd">
<html xmlns="http://www/w3/org/1999/xhtml" xml:lang="ja" lang="ja">
<head>
<meta heep-equiv="Content-Type" conten="text/html;cgarset=utf-8"/>
<title>ナビゲーション</title>
<style type="text/css">
<!--
*[HTML][HTML] {
	margin: 0;
	padding: 0;
}
body {
	font-size:0.75em;
	font-family:
	"Hiragino Kaku Gothic Pro",
	"ヒラギノ 角ゴ pro.W3",
	Meiryo,
	"メイリオ",
	Osaka,
	"MS P Gothic",
	"MS Pゴシック,"
	sans-serif;
	background-image: url(images/03.png);
	background-repeat: repeat-y;
	background-position: center;
}
div#container {
	width: 511px;
	height: auto;
	margin: 0 auto;
	background-color: transparent;
}

div#nav {
	width:511px;
	margin: 10px;
}
div#nav ul {
	list-style:none;
}
div#nav ul li {
	float:left;
	display: inline;
}
div#nav ul li a {
	width: 73px;
	height: 21px;
	border: 1px solid #00FF00;
	display: block;
}
div#nav ul li a:link,div#nav ul li a:visited {
	border: 1px solid #00FF00;
	display: block;
}
div#nav ul li a:hover {
	border: 1px solid #00F;
}
div#nav ul li img {
	border:none;
}
-->
</style>
<body>
<div id="container">
<div id="nav">
<ul>
<li><a href="#"><img src="images/home.jpg" width="73" height="21" alt="ホーム"></a></li>
<li><a href="#"><img src="images/menu.jpg" width="73" height="21" alt="メニュー"></a></li>
<li><a href="#"><img src="images/blog.jpg" width="73" height="21" alt="ブログ"></a></li>
<li><a href="#"><img src="images/access.jpg" width="73" height="21" alt="アクセス"></a></li>
</ul>
</div>
</div>
</body>
</head>