/usr/share/themes/CleanIce-Debian/gtk-2.0/gtkrc is in gtk2-engines-cleanice 2.4.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102  | # Edit these colors and fonts however you like, after cp'ing the file to
# another theme directory.
# CleanIce GTK+ Theme 2001,2002 Rodney Dawes <dobey@free.fr>
# Based on ThinIce GTK+ Engine by Tomas Ogren
# and Clean GTK+ Engine by dengen40@yahoo.com
# Debian colors: #d60451 #c50039 - erich@debian.org
style "default"
{
  GtkRange::slider_width = 12
  GtkRange::stepper_size = 12
  GtkScrollbar::min_slider_length = 17
  GtkCheckButton::indicator_size = 10
  base[ACTIVE] = "#efafaf"
  bg[ACTIVE] = "#efafaf"
  fg[ACTIVE] = "#000000"
  text[ACTIVE] = "#000000"
  bg[INSENSITIVE] = "#dddddd"
  base[INSENSITIVE] = "#dddddd"
  text[INSENSITIVE] = "#efefef"
  bg[NORMAL] = "#efefef"
  fg[NORMAL] = "#000000"
  base[SELECTED] = "#c50039"
  text[SELECTED] = "#000000" #"#efefef"
  bg[SELECTED] = "#c50039"
  fg[SELECTED] = "#000000" #"#efefef"
  bg[PRELIGHT] = "#c50039"
  fg[PRELIGHT] = "#000000" #"#efefef"
  engine "cleanice"
  {
  }
}
widget_class "*" style "default"
style "entries" = "default"
{
	bg[SELECTED] = "#efefef"
	fg[SELECTED] = "#c50039"
	fg[NORMAL]   = "#000000"
}
widget_class "*Entry*" style "entries"
widget_class "*List*"  style "entries"
widget_class "*Tree*"  style "entries"
style "progress" = "default"
{
	bg[SELECTED] = "#efefef"
	fg[SELECTED] = "#c50039"
}
widget_class "*Progress*" style "progress"
style "notebook" = "default"
{
	bg[ACTIVE] = "#dddddd"
	bg[NORMAL] = "#efefef"
}
widget_class "*Notebook*" style "notebook"
style "scrollbar" = "default"
{
	GtkScrollbar::has_forward_stepper = 1
	GtkScrollbar::has_backward_stepper = 1
	GtkScrollbar::has_secondary_backward_stepper = 0
	bg[PRELIGHT] = "#c50039"
	bg[ACTIVE] = "#dccccc"
	fg[PRELIGHT] = "#efefef"
}
widget_class "*Scrollbar*" style "scrollbar"
widget_class "*Scale*" style "scrollbar"
style "menu" = "default"
{
	bg[PRELIGHT] = "#c50039"
	fg[PRELIGHT] = "#000000"
	bg[SELECTED] = "#c50039"
	fg[SELECTED] = "#000000"
}
widget_class "*Menu*" style "menu"
style "checkradio" = "default"
{
 fg[PRELIGHT] = "#000000"
 bg[PRELIGHT] = "#c50039"
 base[SELECTED] = "#efefef"
 text[SELECTED] = "#000000"
}
widget_class "*CheckButton*" style "checkradio"
widget_class "*RadioButton*" style "checkradio"
style "ruler" = "default"
{
	font = "Helvetica 8"
}
widget_class "*Ruler*" style "ruler"
 |