<style>
.nav
{
	background-image: url("menubg.PNG");
	background-repeat: repeat-x;
	color: #ffffff;
	border-radius: 21px;
         position:absolute; veya
         width:300px; height:100px; veya
         display:inline-block; 
}
.nav ul li
{
	list-style: none;
	float: left;
	display: block;
	padding:  10px 10px;
	margin: 0;
}
</style>
<div class="nav">
<ul>
<li>Menü 1</li>
<li>Menü 2</li>
<li>Menü 3</li>
</ul>
</div>