To modify the appearance of the application:
You can use the Interface tab to modify the appearance of OnyX.
Turn on the "Drawer" graphic effect when opening OnyX panes.
You can use a local menu to choose the pane to automatically open when you open OnyX.
You can reduce the opacity of the main window by moving the Opacity slider (takes effect immediately).
You can use a local menu to choose another icon for OnyX.