Examine source code of Blue Lighthouse

{
  "theme": {
    "images": {
      "theme_frame": "Blue_Header_LABS.jpg"
    },
    "colors": {
      "frame": "#e3e3e3",
      "tab_background_text": "#ededed"
    }
  },
  "version": "2.0",
  "name": "Blue Lighthouse",
  "manifest_version": 2,
  "description": "El Faro del fin del Mundo"
}