Examine source code of Psychedelic Maze

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#fff700",
      "tab_background_text": "#fff700"
    }
  },
  "version": "2.0",
  "name": "Psychedelic Maze",
  "manifest_version": 2,
  "description": "And again... A friend tell me some colors - Green and Orange as you see - and I did this. It's funny what we can do when we need to do something... anything. (¬¬)"
}