Проблемы с border-radius в меню - Вопросы по CSS

#menu{
	font-size:16px;
	font-family:Georgia, "Times New Roman", Times, serif;
	margin:0;
	padding:0px;
	margin-top:45px;
	width:700px;
	height:35px;
	float:right;
}
#menu li{
	float:left;
	margin:0;
	padding:0;
	position:relative;
	width:140px;
	height:35px;
	text-align:center;
	list-style:none;
}
#menu li ul{
	display:none;
	padding:0;
	margin:0;
	position:absolute;
	width:140px;
	z-index:9999;
	border-radius:5px;
}
#menu li ul li{
	float:none;
	height:35px;
	width:140px;
	margin:0;
	text-align:center;
	background:#C06;
}
#menu li a{
	display:block;
	width:140px;
	height:35px;
	text-decoration:none;
}
#menu li:hover ul{
	display:block;
}
#menu li:hover{
	background:#093;
}