Examine source code of Homie 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Homie 2",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(39, 40, 34)",
      "toolbar_text": "rgb(230, 219, 116)",
      "frame": "rgb(29, 30, 25)",
      "tab_background_text": "rgb(110, 105, 80)",
      "toolbar_field": "rgb(59, 60, 53)",
      "toolbar_field_text": "rgb(253, 242, 194)",
      "tab_line": "rgb(230, 219, 116)",
      "popup": "rgb(29, 30, 25)",
      "popup_text": "rgb(253, 242, 194)",
      "ntp_background": "rgb(29, 30, 25)",
      "tab_loading": "rgb(230, 219, 116)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e253d77a-4364-4e76-995c-6ae6bd039147}"
    }
  }
}