table.tt{border:1px solid black ; border-collapse:collapse;font-size:12pt}
table.tt td{border:1px solid black;width:2.5em;text-align:center}
table.tt tr:nth-child(odd)  td:nth-child(1) {background-color:#EEAA88;}
table.tt tr:nth-child(odd)  td{background-color:#C8C8E8;}
table.tt tr:nth-child(even) td:nth-child(1) {background-color:#FFBB88;}
table.tt tr:nth-child(even) td{background-color:#E8E8FF;}
table.tt th{border:1px solid black;width:2.5em;text-align:center;
            background-color:#FFBB88}

// http://k-hiura.cocolog-nifty.com/blog/2013/08/htmltablejs-520.html