Nautilus file manager themes determine the
appearance of desktop background objects,
icons, and the font used on tabs in the
side pane. To select a Nautilus theme, perform the following steps:
Nautilus file manager.
Choose Edit -> Preferences to display the Preferences dialog.
Click on the Appearance category to display
Nautilus themes that are available. The accessible
Nautilus themes correspond to the accessible desktop themes
that are listed in Table 4–2.
Select the theme that matches the desktop theme that you selected.