Examine source code of Ruppie

{
  "theme": {
    "images": {
      "theme_frame": "Ruppie.jpg"
    },
    "colors": {
      "frame": "#22ed1f",
      "tab_background_text": "#b133c4"
    }
  },
  "version": "2.0",
  "name": "Ruppie",
  "manifest_version": 2,
  "description": "Rupert Grint collage"
}