html     {font-family: arial, helvetica, sans-serif }
table    {width: 100%; border: 0px; }
body     {margin-left: 4em; margin-right: 4em;}
tr       {border-top: 0}
tr.head  {background-color: #ccffff; font-weight: bold}
tr.head2 {background-color: #ffffcc; font-weight: bold}