#parta {  display: none;  background-color: #f5f5f5; padding: 10px 20px 20px 20px;  border-bottom:5px solid #CCC; margin-bottom:10px; }
#partb {  display: none;  background-color: #f5f5f5; padding: 10px 20px 20px 20px;  border-bottom:5px solid #CCC; margin-bottom:10px; }
#partc {  display: none;  background-color: #f5f5f5; padding: 10px 20px 20px 20px;  border-bottom:5px solid #CCC; margin-bottom:10px; }