.nav {
	width: 150px;
	list-style: none;
}
.nav li {
	position: relative;
}
.nav a {
	background-image: -moz-linear-gradient(bottom, #444444, #999999); /* FF3.6 */
	background-image: -o-linear-gradient(bottom, #444444, #999999); /* Opera 11.10+ */
	background-image: -webkit-gradient(linear, left top, left bottom, from(#444444), to(#999999)); /* Saf4+, Chrome */
	background-image: -webkit-linear-gradient(bottom, #444444, #999999); /* Chrome 10+, Saf5.1+ */
}

.nav audio {position: relative; top: 10px; display: block; height: 20px; width: 150px; }