.tree { 
	font-family:Verdana,Arial,Helvetica;
        line-height: 22px;
	font-size: 12px;
	height: 20x;
	padding: 0px;
	vertical-align:text-bottom;
	white-space:nowrap;
}
.tree img {
	border: 0px;
	height: 18px;
	vertical-align:text-bottom;
}
.tree a {
	color: #565656;
	height: 20px;
	text-decoration: none;
	vertical-align:text-bottom;
}
.tree a:hover {
	color: #1C55A0;
}
.leer {
	border: 0px;
	height: 12px;
        width:  18px;  
	vertical-align:text-bottom;
}