/* place a border around the delta file and indent on left to allow for +/- button */ 
        div#deltafile { 
          border: 0px solid black;
          padding: 5px 5px 5px 25px;
        }
        /* styling for different data types */
        div.delete, span.delete, span.old-PCDATA {
          color: red;
          text-decoration: line-through;
          font-style: normal;
        }
        div.add, span.add, span.new-PCDATA {
          color: green;
          text-decoration: underline;
          font-style: normal;
        }
        span.comment {
          color: black; 
        }
        span.modify, span.modify-PCDATA {
          color: blue; 
          font-style: italic;
        }
        div.unchanged, span.unchanged{ 
          color: black; 
          font-style: normal;
        }
        /* styling and positioning for +/- buttons */
        a.fold { 
          position: relative;
          top: 3px; /* added to align the button with the element */
          float: left;
          color: black;
          font-family: monospace;
          font-weight: bold;
          font-style: normal;
          font-size: small;
          vertical-align: top;
          background: #ddd;
          width: 1em;
          height: 1em;
          border: 1px outset black;
          text-align: center;
          line-height: 9px;
          margin-left: -20px;
  cursor: pointer;
        }
        /* gives 'pressed button' effect */
        a.fold:active {
          border-style: inset;
        }
        a.foldall {
          background: #ddd;
          border: 1px outset black;
          padding: 2px;
        }
        a.foldall:hover {
          cursor: pointer;
        }
        a.foldall:active {
          border-style: inset;
        }
        
        /* hides collapsed(folded children) and hidden(unchanged atts/children) */
        .collapsed, .hidden { 
          display:none; 
        }
        div.anchor-parent div.anchor-parent{
          margin-left: 20px;
        }
        /* provides vertical spacing between lines */
        div#deltafile span {
          line-height: 1.5em;
        }