nav {
	float:right;
	height:40px;
	display:block;
	position:relative;
	background:url(../imagens/bg-menu.jpg) repeat-x;
}

nav ul {
	padding:0;
	margin:0;
	z-index:999;
}

nav li {
	position:relative;
	float:left;
	list-style-type:none;
	z-index:999;
}

/*
nav ul:after {
	content:".";
	display:block;
	height:0;
	clear:both;
	visibility:hidden;
}
*/

nav li a {
	display:block;
	padding:15px 8px;
	color:#000;
	text-decoration:none;
	color:#333;
	font-family:Colaborate-Thin, Arial, Helvetica, sans-serif;
	font-size:13px;
}

nav li a:hover {color:#224f63; z-index:999;}
nav li a:focus {outline:none; text-decoration:underline; z-index:999;}
nav li:first-child a {border-left:none; z-index:999;}
nav li.last a {border-right:none; z-index:999;}
nav a span {display:block; float:right; margin-left:5px; z-index:999;}
nav ul ul {
	display:none;
	z-index:999;
	width:180px; 
	position:absolute;
	left:0; background:#FFF;
	opacity:0.9;
}

nav ul ul li {float:none; z-index:999;}
nav ul ul a {
	padding:10px 15px;
	z-index:999;
	border-left:none;
	border-right:none;
	font-family:Colaborate-Thin, Arial, Helvetica, sans-serif;
	font-size:15px;
	color:#000;
}