#menu-img { width:100%;}
#nav-menu { height:44px; list-style:none outside none; margin: auto; padding-left:433px; padding-top:14px;}
#nav-menu li { float:left; height:44px; padding-left:8px; padding-right:8px; width:70px;}
#nav-menu li a { background-color:#070705; background-repeat:no-repeat; display:block; height:44px;}
#nav-menu li a, #icono { background-image: url("img/nav-menu.jpg");}
#nav-menu li span { overflow:hidden; position:absolute; width:1px; height:1px;}

#nav-inicio a { background-position:0 -7px;}
#nav-nosotros a { background-position:0 -55px;}
#nav-productos a { background-position:0 -103px;}
#nav-servicios a { background-position:0 -151px;}
#nav-contacto a { background-position:0 -199px;}