Examine source code of Firefox Queen

{
  "theme": {
    "images": {
      "theme_frame": "firefoxqueen.jpg"
    },
    "colors": {
      "frame": "#f05e1a",
      "tab_background_text": "#215f9c"
    }
  },
  "version": "2.0",
  "name": "Firefox  Queen",
  "manifest_version": 2,
  "description": "Fire fox anime style design"
}