Examine source code of Oceanarium

{
  "theme": {
    "images": {
      "theme_frame": "aquariumup.jpg"
    },
    "colors": {
      "frame": "#c7c3c3",
      "tab_background_text": "#080b30"
    }
  },
  "version": "2.0",
  "name": "Oceanarium",
  "manifest_version": 2,
  "description": "aquarium oceanarium under water underwater fish nater ocean"
}