Examine source code of Tygra Fluff

{
  "theme": {
    "images": {
      "theme_frame": "personaforfirefox-tygra.jpg"
    },
    "colors": {
      "frame": "#696969",
      "tab_background_text": "#d45100"
    }
  },
  "version": "2.0",
  "name": "Tygra Fluff",
  "manifest_version": 2,
  "description": "Cat fur, paws and eyes on a sunny day."
}