/usr/share/themes/ is in openbox 3.5.0-7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/themes/Artwiz-boxed/
/usr/share/themes/Artwiz-boxed/openbox-3/
/usr/share/themes/Artwiz-boxed/openbox-3/themerc
/usr/share/themes/Bear2/
/usr/share/themes/Bear2/openbox-3/
/usr/share/themes/Bear2/openbox-3/close.xbm
/usr/share/themes/Bear2/openbox-3/close_pressed.xbm
/usr/share/themes/Bear2/openbox-3/desk.xbm
/usr/share/themes/Bear2/openbox-3/desk_toggled.xbm
/usr/share/themes/Bear2/openbox-3/iconify.xbm
/usr/share/themes/Bear2/openbox-3/iconify_pressed.xbm
/usr/share/themes/Bear2/openbox-3/max.xbm
/usr/share/themes/Bear2/openbox-3/max_pressed.xbm
/usr/share/themes/Bear2/openbox-3/max_toggled.xbm
/usr/share/themes/Bear2/openbox-3/shade.xbm
/usr/share/themes/Bear2/openbox-3/shade_pressed.xbm
/usr/share/themes/Bear2/openbox-3/themerc
/usr/share/themes/Clearlooks/
/usr/share/themes/Clearlooks-3.4/
/usr/share/themes/Clearlooks-3.4/openbox-3/
/usr/share/themes/Clearlooks-3.4/openbox-3/themerc
/usr/share/themes/Clearlooks-Olive/
/usr/share/themes/Clearlooks-Olive/openbox-3/
/usr/share/themes/Clearlooks-Olive/openbox-3/themerc
/usr/share/themes/Clearlooks/openbox-3/
/usr/share/themes/Clearlooks/openbox-3/themerc
/usr/share/themes/Mikachu/
/usr/share/themes/Mikachu/openbox-3/
/usr/share/themes/Mikachu/openbox-3/bullet.xbm
/usr/share/themes/Mikachu/openbox-3/close.xbm
/usr/share/themes/Mikachu/openbox-3/desk.xbm
/usr/share/themes/Mikachu/openbox-3/iconify.xbm
/usr/share/themes/Mikachu/openbox-3/max.xbm
/usr/share/themes/Mikachu/openbox-3/themerc
/usr/share/themes/Natura/
/usr/share/themes/Natura/openbox-3/
/usr/share/themes/Natura/openbox-3/close.xbm
/usr/share/themes/Natura/openbox-3/close_hover.xbm
/usr/share/themes/Natura/openbox-3/desk.xbm
/usr/share/themes/Natura/openbox-3/desk_hover.xbm
/usr/share/themes/Natura/openbox-3/desk_toggled.xbm
/usr/share/themes/Natura/openbox-3/iconify.xbm
/usr/share/themes/Natura/openbox-3/iconify_hover.xbm
/usr/share/themes/Natura/openbox-3/max.xbm
/usr/share/themes/Natura/openbox-3/max_hover.xbm
/usr/share/themes/Natura/openbox-3/max_toggled.xbm
/usr/share/themes/Natura/openbox-3/shade.xbm
/usr/share/themes/Natura/openbox-3/shade_hover.xbm
/usr/share/themes/Natura/openbox-3/themerc
/usr/share/themes/Onyx/
/usr/share/themes/Onyx-Citrus/
/usr/share/themes/Onyx-Citrus/openbox-3/
/usr/share/themes/Onyx-Citrus/openbox-3/themerc
/usr/share/themes/Onyx/openbox-3/
/usr/share/themes/Onyx/openbox-3/themerc
/usr/share/themes/Orang/
/usr/share/themes/Orang/openbox-3/
/usr/share/themes/Orang/openbox-3/themerc
/usr/share/themes/Syscrash/
/usr/share/themes/Syscrash/openbox-3/
/usr/share/themes/Syscrash/openbox-3/max.xbm
/usr/share/themes/Syscrash/openbox-3/max_disabled.xbm
/usr/share/themes/Syscrash/openbox-3/max_pressed.xbm
/usr/share/themes/Syscrash/openbox-3/max_toggled.xbm
/usr/share/themes/Syscrash/openbox-3/themerc