tr:first-child {background: #345;}
th:first-child {background:#980;}
td {text-align: right; width: 4em;}
td:first-child {color: red; ; width: 4em; text-align: center;}
  
  th:nth-child(1) { color:black ;background:red; }
th:nth-child(2) { color: black;background:blue; }
th:nth-child(3) { color: black;background:green; }
th:nth-child(4) { color: black;background:#daa520; }
th:nth-child(5) { color: black;background:pink; }
th:nth-child(6) { color:black ;background:yellow; }
th:nth-child(7) { color: black;background:skyblue;} 

.aka{ color:red;}
.ao{color:blue;}

table, tr, td ,th{border: 1px solid; empty-cells: show}