Examine source code of Buffy- Fireworks

{
  "theme": {
    "images": {
      "theme_frame": "fireworkshead.jpg"
    },
    "colors": {
      "frame": "#b0aeae",
      "tab_background_text": "#1f28ab"
    }
  },
  "version": "2.0",
  "name": "Buffy- Fireworks",
  "manifest_version": 2,
  "description": "Angel and Buffy atop a beautiful fireworks display."
}