To get to the Appeareance settings window, click the toolkit icon 
at the top of the Depth & Sales window, then click on the Appeareance Tab:
This section allows you to modify the visual elements for the different columns and tools used in the Depth & Sales.
Unfold the "Appeareance Tab" menu on your right to learn more about the different tabs.
You can save your settings on a Template by clicking on the wrench button on the bottom left corner.