     table
      {
          border-collapse: collapse;
          border-spacing: 0;
      }

      th:first-child
      {
          text-align: left;
          width: 600px;
      }

      th
      {
          /*border: 1px solid #999;*/
          text-align: right;
          font-weight: 500;
          width: 95px;
      }

      td
      {
          /* border: 1px solid #999; */
          text-align: right;
      }

          td:first-child
          {
              text-align: left;
          }

              td:first-child:before
              {
                  content: '\25BC';
                  color: transparent;
              }

      .expanded td:first-child:before, .collapsed td:first-child:before
      {
          display: inline-block;
          /* border: 1px solid #999; Box rund um das +/- Zeichen*/
          width: 10px;
          font-size: 10px;
          text-align: center;
          margin-right: 5px;
          color: #888888;
      }

      .expanded td:first-child:before
      {
          content: '\25BC';
          /*	&#9660;*/
      }

      .collapsed td:first-child:before
      {
          content: '\25BA';
          /*	&#9658;  http://www.evotech.net/articles/testjsentities.html*/
      }
      /*  tr[data-level="1"] td:first-child {
      padding-left: 0px;
    }

  */

      table.tree tr:nth-child(2n)
      {
          background: none repeat scroll 0 0 #F3F3F3;
          color: black;
      }