Knoppix 8.1 USB-stick installation

[Karibu]

/home/knoppix/.config/gtk-3.0/settings.ini ?

[Settings]
gtk-theme-name=Raleigh
gtk-icon-theme-name=gnome
gtk-font-name=Bitstream Vera Sans 12
gtk-cursor-theme-name=core
gtk-cursor-theme-size=18
gtk-toolbar-style=GTK_TOOLBAR_BOTH_HORIZ
gtk-toolbar-icon-size=GTK_ICON_SIZE_LARGE_TOOLBAR
gtk-button-images=1
gtk-menu-images=1
gtk-enable-event-sounds=1
gtk-enable-input-feedback-sounds=1
gtk-xft-antialias=1
gtk-xft-hinting=1
gtk-xft-hintstyle=hintslight
gtk-xft-rgba=rgb

I'm not sure how to change the cursor theme here?