/usr/share/themes/BlueMenta/xfwm4/themerc is in mate-themes 1.9.2-1.
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 | button_offset=6
button_spacing=0
full_width_title=true
title_horizontal_offset=0
title_vertical_offset_active=0
title_vertical_offset_inactive=0
#title_shadow_active=true
title_shadow_inactive=true
#button_layout=O|HMC
active_text_color=#2c2c2c
inactive_text_color=#999999
inactive_text_shadow_color=#ffffff
placement_ratio=20
shadow_delta_height=2
shadow_delta_width=0
shadow_delta_x=0
shadow_delta_y=-10
shadow_opacity=50
resize_opacity=100
move_opacity=100
popup_opacity=100
show_frame_shadow=true
show_popup_shadow=false
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