This file is indexed.

/usr/share/themes/Radiant-MATE/gtk-3.0/gtk-widgets-radiance.css is in ubuntu-mate-themes 18.04.11.

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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/* Set up shadows and hilights for button visual separation */
.primary-toolbar:not(.libreoffice-toolbar) .linked button,
.primary-toolbar:not(.libreoffice-toolbar) button.raised.linked,
.primary-toolbar:not(.libreoffice-toolbar) .raised.linked button,
toolbar menubar .linked button,
toolbar menubar button.raised.linked,
toolbar menubar .raised.linked button,
headerbar .linked button,
headerbar button.raised.linked,
headerbar button.raised.linked button {
    box-shadow: inset 1px 0 shade (@dark_bg_color, 1.1),
                inset -1px 0 shade (@dark_bg_color, 0.9);
}

.primary-toolbar:not(.libreoffice-toolbar) .linked button:first-child,
.primary-toolbar:not(.libreoffice-toolbar) button.raised.linked:first-child,
.primary-toolbar:not(.libreoffice-toolbar) .raised.linked button:first-child,
toolbar menubar .linked button:first-child,
toolbar menubar button.raised.linked:first-child,
toolbar menubar .raised.linked button:first-child,
headerbar .linked button:first-child,
headerbar button.raised.linked:first-child,
headerbar .raised.linked button:first-child {
    box-shadow: inset -1px 0 shade (@dark_bg_color, 0.9);
}

.primary-toolbar:not(.libreoffice-toolbar) .linked button:last-child,
.primary-toolbar:not(.libreoffice-toolbar) button.raised.linked:last-child,
.primary-toolbar:not(.libreoffice-toolbar) .raised.linked button:last-child,
toolbar menubar .linked button:last-child,
toolbar menubar button.raised.linked:last-child,
toolbar menubar .raised.linked button:last-child,
headerbar .linked button:last-child,
headerbar button.raised.linked:last-child,
headerbar .raised.linked button:last-child {
    box-shadow: inset 1px 0 shade (@dark_bg_color, 1.1)
}

.primary-toolbar:not(.libreoffice-toolbar) .linked button:active,
.primary-toolbar:not(.libreoffice-toolbar) button.raised.linked:active,
.primary-toolbar:not(.libreoffice-toolbar) .raised.linked button:active,
toolbar menubar .linked button:active,
toolbar menubar button.raised.linked:active,
toolbar menubar .raised.linked button:active,
headerbar .linked button:active,
headerbar button.raised.linked:active,
headerbar .raised.linked button:active {
    box-shadow: inset 1px 0 shade (@dark_bg_color, 0.9);
}

.primary-toolbar:not(.libreoffice-toolbar) .linked button:disabled,
.primary-toolbar:not(.libreoffice-toolbar) button.raised.linked:disabled,
.primary-toolbar:not(.libreoffice-toolbar) .raised.linked button:disabled,
toolbar menubar .linked button:disabled,
toolbar menubar button.raised.linked:disabled,
toolbar menubar .raised.linked button:disabled,
headerbar .linked button:disabled,
headerbar button.raised.linked:disabled,
headerbar .raised.linked button:disabled {
    box-shadow: inset -1px 0 shade (@dark_bg_color, 0.9);
}

.primary-toolbar:not(.libreoffice-toolbar) .linked button:backdrop:last-child,
.primary-toolbar:not(.libreoffice-toolbar) button.raised.linked:backdrop:last-child,
.primary-toolbar:not(.libreoffice-toolbar) .raised.linked button:backdrop:last-child,
toolbar menubar .linked button:backdrop:last-child,
toolbar menubar button.raised.linked:backdrop:last-child,
toolbar menubar .raised.linked button:backdrop:last-child,
headerbar .linked button:backdrop:last-child,
headerbar button.raised.linked:backdrop:last-child,
headerbar .raised.linked button:backdrop:last-child {
    box-shadow: inset 1px 0 shade (@dark_bg_color, 1.1);
}

menubar,
.menubar {
    color: @dark_fg_color;
    text-shadow: 0 1px shade (@dark_bg_color, 1.1);
}

menubar menuitem:hover,
.menubar menuitem:hover {
    color: @dark_fg_color;
    text-shadow: 0 1px shade (@dark_bg_color, 1.1);
}

menuitem:hover,
menu menuitem:hover,
.menu menuitem:hover {
    color: @selected_fg_color;
    text-shadow: 0 -1px shade (@selected_bg_color, 0.7);
}

menuitem:disabled,
menuitem *:disabled {
    color: mix (@fg_color, @bg_color, 0.5);
    text-shadow: 0 1px shade (@bg_color, 1.14);
}

/* for the playback menu item in the sound menu */
menu .spinner,
menu .spinner:hover {
    color: @selected_bg_color;
}

/* primary-toolbar */
.primary-toolbar:not(.libreoffice-toolbar),
toolbar.primary-toolbar:not(.libreoffice-toolbar),
toolbar menubar,
headerbar,
.maximized .titlebar.toolbar-mode:not(:backdrop) {
    background-image: -gtk-gradient (linear, left top, left bottom,
                                     from (shade (@dark_bg_color, 0.96)),
                                     to (shade (@dark_bg_color, 1.1)));
    border-bottom-color: shade (@dark_bg_color, 1.02);
    border-top-color: shade (@dark_bg_color, 1.02);

    text-shadow: 0 1px shade (@dark_bg_color, 1.1);
}

.primary-toolbar:not(.libreoffice-toolbar) :disabled,
toolbar menubar :disabled,
headerbar :disabled {
    text-shadow: 0 1px shade (@dark_bg_color, 1.1);
}

.primary-toolbar:not(.libreoffice-toolbar) combobox,
.primary-toolbar:not(.libreoffice-toolbar) button *,
.primary-toolbar:not(.libreoffice-toolbar) button,
toolbar menubar combobox,
toolbar menubar button *,
toolbar menubar button,
headerbar combobox,
headerbar button *,
headerbar button {
    text-shadow: 0 1px alpha (shade (@dark_bg_color, 1.25), 0.32);
}

.primary-toolbar:not(.libreoffice-toolbar) .raised button,
.primary-toolbar:not(.libreoffice-toolbar) .raised.button,
.primary-toolbar:not(.libreoffice-toolbar) button:hover,
.primary-toolbar:not(.libreoffice-toolbar) button:active,
.primary-toolbar:not(.libreoffice-toolbar) button:disabled,
toolbar menubar .raised button,
toolbar menubar .raised.button,
toolbar menubar button:hover,
toolbar menubar button:active,
toolbar menubar button:disabled,
headerbar .raised button,
headerbar .raised.button,
headerbar button:hover,
headerbar button:active,
headerbar button:disabled {
    background-image: -gtk-gradient (linear, left top, left bottom,
                                     from (shade (@dark_bg_color, 1.03)),
                                     to (shade (@dark_bg_color, 0.96)));
}