Examine source code of my rainbows 3

{
  "theme": {
    "images": {
      "theme_frame": "enrainbow3.jpg"
    },
    "colors": {
      "frame": "#e9ebb9",
      "tab_background_text": "#0b3311"
    }
  },
  "version": "2.0",
  "name": "my rainbows 3",
  "manifest_version": 2,
  "description": "Rainbow on Victoria Falls"
}