BODY {
   background: white;
   padding: 0;
   margin: 0;
   text-align:center;
   }

#content {
   text-align:left;
   width:720px;
   margin:auto;}

img.Foto { 
	border: 2px solid #bbb;
 	padding: 8px;
    }

a:hover img.Foto { 
	border: 2px solid #555;
 	padding: 8px;
    }