Examine source code of Despicable Me Firefox

{
  "theme": {
    "images": {
      "theme_frame": "h_dispicablemefox.jpg"
    },
    "colors": {
      "frame": "#bdbdbd",
      "tab_background_text": "#4a4a4a"
    }
  },
  "version": "2.0",
  "name": "Despicable Me Firefox",
  "manifest_version": 2,
  "description": "Universal, movie, gru, girls, moon. Armed, arsenal, shrink, freeze rays, battle-ready, vehicles, land, air, vanquishes all who stand in his way, dad, blue, orange, grey, metal, firefox"
}