Examine source code of Sunny

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Sunny",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(228, 182, 16)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(228, 182, 16)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(228, 182, 16)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(228, 182, 16, 0)",
      "popup": "rgb(228, 182, 16)",
      "popup_text": "rgb(255, 255, 255)",
      "frame_inactive": "rgb(228, 182, 16)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(228, 182, 16)",
      "tab_selected": "rgb(241, 192, 14)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(228, 182, 16)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "tab_loading": "rgba(228, 182, 16, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{00cb1733-d544-4e34-93d0-4ebf2907bcc2}"
    }
  }
}