.navi { background-image: url(boton.gif); background-repeat: no-repeat; padding-bottom: 4px; padding-left: 13px; padding-top: 3px; width: 150px; margin-top: 2px; margin-bottom: 2px; border-width: 2px; }

.navi:hover {
	background-image: url(boton.gif);
}