#menu-principal ul li.item1 a { background: url('../img/bg_principal.jpg'); width: 65px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item2 a { background: url('../img/bg_principal.jpg') right top; width: 80px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item17 a { background: url('../img/bg_principal.jpg') right top; width: 50px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item3 a { background: url('../img/bg_principal.jpg') right top; width: 64px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item4 a { background: url('../img/bg_principal.jpg') right top; width: 100px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item5 a { background: url('../img/bg_principal.jpg') right top; width: 42px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item6 a { background: url('../img/bg_principal.jpg'); width: 97px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item7 a { background: url('../img/bg_principal.jpg') right top; width: 173px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item8 a { background: url('../img/bg_principal.jpg') right top; width: 45px; height: 23px; white-space:nowrap; overflow: hidden; }
	#menu-principal ul li.item9 a { background: url('../img/bg_principal.jpg') right top; width: 90px; height: 23px; white-space:nowrap; overflow: hidden; }

	#menu-principal ul li.item1 a:hover,
	#menu-principal ul li.item2 a:hover,
	#menu-principal ul li.item17 a:hover,
	#menu-principal ul li.item3 a:hover,
	#menu-principal ul li.item4 a:hover,
	#menu-principal ul li.item5 a:hover,
	#menu-principal ul li.item6 a:hover,
	#menu-principal ul li.item7 a:hover,
	#menu-principal ul li.item8 a:hover,
	#menu-principal ul li.item9 a:hover { background-position: right bottom;}