#descImg { 
	color:#000000;
	font-family: Trebuchet MS;
	font-size: 9pt;
}

#principal {
	margin: 0 auto;
	position: relative;
}

#principal li {
	display: inline;
	float: left;
	width: 155 px;
	background-color: #FFFFFF;
	padding: 3px;
	margin: 5px;
	text-align: center;
	border-left: #CCCCCC solid 1px;
    border-right: #CCCCCC solid 1px;
	border-top: #CCCCCC solid 1px;    
	border-bottom: #CCCCCC solid 1px;
}