Examine source code of Wild West Light Theme

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Wild West",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(217, 215, 199)",
      "toolbar_text": "rgb(103, 31, 31)",
      "frame": "rgb(188, 186, 177)",
      "tab_background_text": "rgb(103, 31, 31)",
      "toolbar_field": "rgb(188, 186, 177)",
      "toolbar_field_text": "rgb(103, 31, 31)",
      "tab_line": "rgb(58, 22, 14)",
      "popup": "rgb(217, 215, 199)",
      "popup_text": "rgb(103, 31, 31)",
      "icons_attention": "rgb(58, 22, 14)",
      "popup_highlight_text": "rgb(188, 186, 177)",
      "popup_highlight": "rgb(146, 74, 54)",
      "tab_loading": "rgb(146, 74, 54)",
      "tab_selected": "rgb(217, 215, 199)",
      "tab_text": "rgb(103, 31, 31)",
      "toolbar_bottom_separator": "rgb(217, 215, 199)",
      "toolbar_field_border_focus": "rgb(58, 22, 14)",
      "toolbar_field_highlight_text": "rgb(188, 186, 177)",
      "toolbar_field_highlight": "rgb(146, 74, 54)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9dc25366-8b34-41d6-aff9-f04ecbbe8398}"
    }
  }
}