Examine source code of Firefly frenzy

{
  "theme": {
    "images": {
      "theme_frame": "fireflyfrenzyfooter7.jpg"
    },
    "colors": {
      "frame": "#f7f763",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Firefly frenzy",
  "manifest_version": 2,
  "description": "A whimsical flurry of different colors of fire flies dancing above grass laced celtic knots"
}