ul.pde ul {
		margin-left: 15px;
	}
	
/* dynamically added to LIs with nested ULs */
	ul.pde img {
		padding-right: 5px;
	}
	
/* The class to hide nested ULs */
       .hide{
           display: none;
       }

/* The class to show nested ULs */
       .show{
           display: block;
       }