body { margin: 0 auto; background: #ffffff;}
#pie { background: #b7b6b6; padding:5px 0 5px 0; text-align: center;  font-family: Arial, Helvetica, "Sans-Serif"; font-size: 11px; color: #000000; }
a { color: #000000;; text-decoration: none; }
a:hover { font-weight: bold; }
.tabla_borde { border: 1px solid #cccccc; }