Examine source code of Puzzle Bobble

{
  "name": "Puzzle Bobble",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Puzzle Bobble.png"
    },
    "colors": {
      "frame": "rgba(173, 186, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(173, 186, 255, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{01a54fa7-d568-4c78-a6c4-5f66090f39b4}"
    }
  }
}