Examine source code of Zeppelin fans

{
  "theme": {
    "images": {
      "theme_frame": "ledzeplin_head.jpg"
    },
    "colors": {
      "frame": "#f7710a",
      "tab_background_text": "#e7f70a"
    }
  },
  "version": "2.0",
  "name": "Zeppelin fans",
  "manifest_version": 2,
  "description": "For the die hard Led Zeppelin fans"
}