#principal {
   margin:0 auto;
} 
.gris {
	color: #666666;
}


.contenedorfoto {
   float:left;
   width:140px;
   height:190px;
   margin: 5px;
   padding:5px;
   background-color:#f5f7f9;
   border-right: #a5a7aa solid 1px;
   border-bottom: #a5a7aa solid 1px;
   text-align:center;
} 

.peufoto {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #666666;
	padding: 0px;
	margin: 20px;
	text-align: justify;
}