thead Row 1; background-color: cyan; text-align: center;
tbody Rows 2,3,4; background-color: #9999ff; text-align: right;
tfoot Rows 5, 6; background-color: #ff99ff; text-align: center;
R1C1 | R1C2 | R1C3 | R1-2C4 | R1C5 |
R5C1 | R5C2 | R5-6C3 | R5-6C4 | R5C5 |
R6C1 | R6C2 | R6C5 | ||
R2C1 | R2C3 | R2C3 | R2C5 | |
R3C1 | R3C2 | R3C3-5 | ||
R4C1-3 | R4C4 | R4C5 |