Examine source code of Dinosaur Bones

{
  "theme": {
    "images": {
      "theme_frame": "Dinosaur.jpg"
    },
    "colors": {
      "frame": "#524a3c",
      "tab_background_text": "#332d1c"
    }
  },
  "version": "2.0",
  "name": "Dinosaur Bones",
  "manifest_version": 2,
  "description": "Dinosaur Bones on a grey background"
}