Examine source code of Little frog

{
  "theme": {
    "images": {
      "theme_frame": "Littlefrog.jpg"
    },
    "colors": {
      "frame": "#059616",
      "tab_background_text": "#faf093"
    }
  },
  "version": "2.0",
  "name": "Little frog",
  "manifest_version": 2,
  "description": "A little frog caught in my garden with my Nikon D300. (c) Nameda"
}