Each table, row, and cell is its own distinct area, and each can have its own background. For example, you might want to apply a different color background to a heading row to make it stand out, or change the color of every other line in a listing to help visitors track a line across the table, as shown in the following example.
To apply a background color to a table, use the same background-color style rule that you use for documents. For example, to make a certain row orange, use the following:
<tr style="background-color: orange">
The table background can also be a picture, just like a document background. ...