Examine source code of Belafonte Night Theme

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Belafonte Night",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(57, 28, 45)",
      "toolbar_text": "rgb(149, 139, 131)",
      "frame": "rgb(32, 17, 26)",
      "tab_background_text": "rgb(149, 139, 131)",
      "toolbar_field": "rgb(32, 17, 26)",
      "toolbar_field_text": "rgb(149, 139, 131)",
      "tab_line": "rgb(133, 128, 98)",
      "popup": "rgb(57, 28, 45)",
      "popup_text": "rgb(149, 139, 131)",
      "icons_attention": "rgb(233, 164, 72)",
      "ntp_background": "rgb(151, 82, 44)",
      "popup_highlight_text": "rgb(32, 17, 26)",
      "popup_highlight": "rgb(65, 105, 120)",
      "sidebar_border": "rgb(57, 28, 45)",
      "sidebar_highlight_text": "rgb(32, 17, 26)",
      "sidebar_highlight": "rgb(65, 105, 120)",
      "sidebar_text": "rgb(149, 139, 131)",
      "sidebar": "rgb(32, 17, 26)",
      "tab_loading": "rgb(233, 164, 72)",
      "tab_selected": "rgb(57, 28, 45)",
      "tab_text": "rgb(149, 139, 131)",
      "toolbar_bottom_separator": "rgb(57, 28, 45)",
      "toolbar_field_border_focus": "rgb(133, 128, 98)",
      "toolbar_field_highlight_text": "rgb(32, 17, 26)",
      "toolbar_field_highlight": "rgb(65, 105, 120)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d92b4166-a96e-43c8-8c03-39557d988b90}"
    }
  }
}