paper-gtk-theme/Paper/gtk-3.20/apps/_gnome.scss

/***************
 * font-viewer *
 ***************/
SushiFontWidget {
    padding: 6px 12px;
}


/**********
 * Sudoku *
 **********/
SudokuView SudokuCellView {
    border: inherit;
    background-color: inherit;
}

SudokuView SudokuCellView:backdrop {
    border: inherit;
    background-color: inherit;
}

SudokuView {
    border: none;
}

/*****************
 * Character Map *
 *****************/
GucharmapChartable {
    background-color: $base_color;
}

GucharmapChartable:active,
GucharmapChartable:focus,
GucharmapChartable:selected {
    background-color: $selected_bg_color;
    color: $selected_fg_color;
}


/********
 * Misc *
 *******/

ApDocView, /* Abiword */
EogScrollView, /* Eog */
CheeseThumbView /* Cheese */
{
    -EogScrollView-shadow-type: none;
}


/************
 * Terminal *
 ************/

$gnome_terminal: #636E73;

TerminalWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_terminal;

    &:backdrop {
      background-color: darken($gnome_terminal,10%);
    }
  }
}

/************
 * Nautilus *
 ************/

NautilusCanvasView {
    border: none;

    &:active,
    &:focus,
    &:backdrop {
      border: none;
    }
}

.nautilus-circular-button {
  border-radius: 20px;
  -gtk-outline-radius: 20px;
}

.disk-space-display {
  border: 2px solid;

  .unknown {
    background-color: #888a85;
    border-color: darken(#888a85, 20%);
  }

  .used {
    background-color: #9FB0B9;
    border-color: darken(#9FB0B9, 20%);
  }

  .free {
    background-color: #D8D8D8;
    border-color: darken(#D8D8D8, 20%);
  }
}


.nautilus-desktop {

    color: $fg_color;

  .nautilus-canvas-item {
    border-radius: 5px;
    color: $selected_fg_color;
    text-shadow: 1px 1px transparentize(black, 0.4);

    &:active {
      color: $fg_color;
      text-shadow: none;
    }

    &:hover {
      color: $fg_color;
      text-shadow: none;
    }

    &:selected {
      color: $selected_fg_color;
      text-shadow: none;
    }

    .dim-label {
      &:selected {
        color: $selected_fg_color;
      }
    }
  }

  .nautilus-list {

    .dim-label {
      &:selected {
        color: $selected_fg_color;
      }
    }
  }
}

/***********
 * Builder *
 ***********/

$gnome_builder: #CBBB2E;

GbGreeterWindow,
GbWorkbench {
  .titlebar,
  .header-bar {
    background-color: $gnome_builder;

    &:backdrop {
      background-color: darken($gnome_builder,10%);
    }
  }
}

/**************
 * Calculator *
 **************/

$gnome_calculator: #07ce8e;

MathWindow {

  background-color: $base_color;
  border-radius: 0 0 4px 4px;

  .titlebar,
  .header-bar,
  .toolbar  {
    background-color: $gnome_calculator;

    &:backdrop {
      background-color: darken($gnome_calculator,10%);
    }
  }

  MathButtons {
    GtkComboBox,
    .button {
      background-color: transparent;
      background-image: none;
      box-shadow:none;
      border: none;
      text-shadow: none;
      color: $gnome_calculator;
      font: bold;

      &:hover {
        background-image: none;
        background-color:$base_color;
        color: $gnome_calculator;
      }

      &:backdrop {
        color: darken($gnome_calculator,10%);
      }

      &.text-button.suggested-action {
        background-image: none;
        box-shadow:none;
        text-shadow: none;
        background-color: $gnome_calculator;
        color: $base_color;

        &:backdrop {
          background-color: darken($gnome_calculator,10%);
          color: transparentize($base_color, 0.5);  
        }
      }
    }
  }

  MathDisplay {
    padding: 4px;
    background-color:$base_color;
    border: 1px solid $borders_color;
  }
}


/************
 * Calendar *
 ************/

$gnome_calendar: #75A3F6;

GcalWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_calendar;

    &:backdrop {
      background-color: darken($gnome_calendar,10%);
    }
  }
}

/**********
 * Cheese *
 **********/

$cheese: #ad7fa8;

CheeseWindow {
  .titlebar,
  .header-bar,
  .toolbar  {
    background-color: $cheese;

    &:backdrop {
      background-color: darken($cheese,10%);
    }
  }
}

/************
 * Contacts *
 ************/

$gnome_contacts: #2095F2;

ContactsWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_contacts;

    &:backdrop {
      background-color: darken($gnome_contacts,10%);
    }
  }
}


/**********
 * Clocks *
 **********/

$gnome_clocks: #4BAE4F;

ClocksWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_clocks;

    &:backdrop {
      background-color: darken($gnome_clocks,10%);
    }
  }
}


/*********
 * Disks *
 *********/

$gnome_disks: #8561C5;

GduWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_disks;

    &:backdrop {
      background-color: darken($gnome_disks,10%);
    }
  }
}


/**************
 * Disk Usage *
 **************/

$gnome_baobab: #CC5E55;

BaobabWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_baobab;

    &:backdrop {
      background-color: darken($gnome_baobab,10%);
    }
  }
}

/*************
 * Documents *
 *************/

$gnome_documents: #C2352A;

#Documents {
  .titlebar,
  .header-bar {
    background-color: $gnome_documents;

    &:backdrop {
      background-color: darken($gnome_documents,10%);
    }
  }
}

/************
 * Epiphany *
 ************/

$gnome_epiphany: #6573C3;

EphyWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_epiphany;

    &:backdrop {
      background-color: darken($gnome_epiphany,10%);
    }

    .incognito-mode {
      background-color: darken($gnome_epiphany,15%);

      .button {
        background-image:none;
      }

      &:backdrop {
        background-color: darken($gnome_epiphany,25%);
      }
    }
  }
}

/*********
 * Gedit *
 *********/

$gedit: #DC4836;

GeditWindow {
  .titlebar,
  .header-bar,
  .gedit-headerbar-paned {
    background-color: $gedit;

    &:backdrop {
      background-color: darken($gedit,10%);
    }
  }
}

/**************
 * Log Viewer *
 **************/

$gnome_logs: #009587;

GlWindow,
LogviewWindow {
  .titlebar,
  .header-bar,
  .toolbar {
    background-color: $gnome_logs;

    &:backdrop {
      background-color: darken($gnome_logs,10%);
    }
  }
}

/*********
 * Music *
 *********/

$gnome_music: #fe9700;

gnomemusic+window+Window {
  .titlebar,
  .header-bar {
    background-color: $gnome_music;

    &:backdrop {
      background-color: darken($gnome_music,10%);
    }
  }
}


/*****************
 * Notes/Bijiben *
 *****************/

$bijiben: #ebdd4d;

BjbMainToolbar,
BjbWindowBase {
  .titlebar,
  .header-bar {
    background-color: $bijiben;

    &:backdrop {
      background-color: darken($bijiben,10%);
    }
  }
}

/**********
 * Photos *
 **********/

$gnome_photos: #D30101;

PhotosMainWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_photos;

    &:backdrop {
      background-color: darken($gnome_photos,10%);
    }
  }
}
/**********
 * Polari *
 **********/

$polari: #4BAE4F;

.titlebar,
.header-bar {
  &.polari-titlebar-left,
  &.polari-titlebar-right {
    background-color: $polari;

    &:backdrop {
      background-color: darken($polari,10%);
    }
  }
}

/*******************
 * System Settings *
 ******************/

$gnome_settings: #5F7C8A;

CcWindow {
  .titlebar,
  .header-bar {
    background-color: $gnome_settings;

    &:backdrop {
      background-color: darken($gnome_settings,10%);
    }
  }
}

CcShellNavBar {
  padding:0px;
}

/************
 * Software *
 ************/

$gnome_software: #1A77C2;

#window_software {
  .titlebar,
  .header-bar {
    background-color: $gnome_software;

    &:backdrop {
      background-color: darken($gnome_software,10%);
    }
  }
}

/******************
 * System Monitor *
 ******************/

$gnome_system_monitor: #6fbe72;

#gnome-system-monitor {
  .titlebar,
  .header-bar {
    background-color: $gnome_system_monitor;

    &:backdrop {
      background-color: darken($gnome_system_monitor,10%);
    }
  }
}


/********
 * Yelp *
 ********/

$yelp: #435ece;

YelpWindow {
  .titlebar,
  .header-bar {
    background-color: $yelp;

    &:backdrop {
      background-color: darken($yelp,10%);
    }
  }
}