Examine source code of Mr Fox bites e

{
  "theme": {
    "images": {
      "theme_frame": "Mr_Fox_bites_e_h.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#007bce"
    }
  },
  "version": "2.0",
  "name": "Mr Fox bites e",
  "manifest_version": 2,
  "description": "Fox, Firefox, ie logo, bite, by: raicov"
}