#nav {
	height: 70px;
}

#nav ul li {
	float: left;
	list-style: none;
	padding: 0px;
	margin:  0px;
}

#nav ul li a {
	background-image: url(../../images/interface/nav.jpg);
	display: block;
	height: 70px;	
}



#btn_home { 
	background-position: 0px 0px;
	width: 60px; 
}
#btn_home:hover { 
	background-position: 0px -70px;
}

#btn_portfolio { 
	background-position: -60px 0px;
	width: 90px; 
}
#btn_portfolio:hover { 
	background-position: -60px -70px;
	width: 90px; 
}

#btn_services { 
	background-position: -150px 0px;
	width: 80px; 
}
#btn_services:hover { 
	background-position: -150px -70px;
	width: 80px; 
}

#btn_blog { 
	background-position: -230px 0px;
	width: 50px; 
}
#btn_blog:hover { 
	background-position: -230px -70px;
	width: 50px; 
}

#btn_about { 
	background-position: -280px 0px;
	width: 60px; 
}
#btn_about:hover { 
	background-position: -280px -70px;
	width: 60px; 
}

#btn_contact { 
	background-position: -340px 0px;
	width: 60px; 
}
#btn_contact:hover { 
	background-position: -340px -70px;
	width: 60px; 
}