Examine source code of Lighthouse by the rocks

{
  "theme": {
    "images": {
      "theme_frame": "Lighthouse_header.jpg"
    },
    "colors": {
      "frame": "#030202",
      "tab_background_text": "#f7efef"
    }
  },
  "version": "2.0",
  "name": "Lighthouse by the rocks",
  "manifest_version": 2,
  "description": "Lighthouse off the Great Lakes."
}