Examine source code of Mocha Night Moss

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Mocha Night Moss",
  "theme": {
    "colors": {
      "toolbar": "rgb(26, 26, 40)",
      "toolbar_text": "rgb(163, 180, 235)",
      "frame": "rgb(20, 20, 31)",
      "tab_background_text": "rgb(163, 180, 235)",
      "toolbar_field": "rgb(26, 26, 40)",
      "toolbar_field_text": "rgb(163, 180, 235)",
      "tab_line": "rgb(88, 126, 117)",
      "popup": "rgb(26, 26, 40)",
      "popup_text": "rgb(163, 180, 235)",
      "button_background_active": "rgb(87, 87, 133)",
      "frame_inactive": "rgb(20, 20, 31)",
      "icons_attention": "rgb(88, 126, 117)",
      "icons": "rgb(163, 180, 235)",
      "ntp_background": "rgb(20, 20, 31)",
      "ntp_text": "rgb(163, 180, 235)",
      "popup_border": "rgba(163, 180, 235, 0.33)",
      "popup_highlight_text": "rgb(163, 180, 235)",
      "popup_highlight": "rgb(87, 87, 133)",
      "sidebar_border": "rgb(26, 26, 40)",
      "sidebar_highlight_text": "rgb(20, 20, 31)",
      "sidebar_highlight": "rgb(88, 126, 117)",
      "sidebar_text": "rgb(163, 180, 235)",
      "sidebar": "rgb(26, 26, 40)",
      "tab_background_separator": "rgb(88, 126, 117)",
      "tab_loading": "rgb(88, 126, 117)",
      "tab_selected": "rgb(88, 126, 117)",
      "tab_text": "rgb(26, 26, 40)",
      "toolbar_bottom_separator": "rgb(26, 26, 40)",
      "toolbar_field_border_focus": "rgb(88, 126, 117)",
      "toolbar_field_border": "rgb(26, 26, 40)",
      "toolbar_field_focus": "rgb(26, 26, 40)",
      "toolbar_field_highlight_text": "rgb(26, 26, 40)",
      "toolbar_field_highlight": "rgb(88, 126, 117)",
      "toolbar_field_separator": "rgb(88, 126, 117)",
      "toolbar_field_text_focus": "rgb(163, 180, 235)",
      "toolbar_top_separator": "rgb(26, 26, 40)",
      "toolbar_vertical_separator": "rgba(163, 180, 235, 0.33)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ca2978ba-8b34-4530-9606-5035475e406d}"
    }
  }
}