#menu_principal { display:block; position:absolute; left:200px; top:40px; }
#menu_principal a { float:left; padding:5px 10px; margin:0 0px 0 0; color:white; letter-spacing:0.1px; font:bold 14px Arial; text-decoration:none; }
#menu_principal a:hover { background:url('../../imagens/menu/bg_link.png') center center no-repeat; }
#menu_principal .selecionado { background:url('../../imagens/menu/bg_link.png') center center no-repeat; }
#menu_principal a span { padding:0 0 0 10px; background:url('../../imagens/menu/seta_dupla.gif') left center no-repeat; }

#menu_principal .menu_submenu { margin-left:20px; display:none; float:left; clear:left; }
#menu_principal .menu_submenu a { font:normal 12px Arial; margin:0 2px 0 0; padding:2px 7px; }
#menu_principal .menu_submenu a:hover { background:none; }
#menu_principal .menu_submenu .selecionado { text-decoration:underline; background:none; }
#menu_principal .menu_submenu a span { padding:0 0 0 6px; background:url('../../imagens/menu/seta_simples.gif') left center no-repeat; }