To open the Table Settings, right-click anywhere in the table and select Settings. The Settings dialog box is displayed as follows.

First tab of the Settigs allow you to change view of table. It consists of three parts.
Here you are able to set up colors according to your preference. You can click Apply button to see changes in a panel. To select a new color, click the down arrow. In the list that opens, select the color you want and click OK.
Table Layout is the computation of the all settings, incuding fonts, colors, etc. here you are able to save layout to a file or choose to apply settings from an existing template.
If you have set layout as default, all new panels will have your default settings.