Examine source code of Discus fish

{
  "theme": {
    "images": {
      "theme_frame": "Discus.jpg"
    },
    "colors": {
      "frame": "#f5dada",
      "tab_background_text": "#f5dada"
    }
  },
  "version": "2.0",
  "name": "Discus fish",
  "manifest_version": 2,
  "description": "Yellow orange discus fish, his name is \"The Flash\" aquarium fishtank cichlid"
}