Nautilus usually shows a pie chart for drive space usage, along with some legend, if a drive is right-clicked and 'Properties' is selected. These graphical elements are invisible with the Plano theme. See the links given.
Drive properties - Adwaita themeDrive properties - Plano theme
Nautilus usually shows a pie chart for drive space usage, along with some legend, if a drive is right-clicked and 'Properties' is selected. These graphical elements are invisible with the Plano theme. See the links given. Drive properties - Adwaita theme Drive properties - Plano theme