Examine source code of Paddle Ball Game

{
  "manifest_version": 2,
  "name": "Paddle Ball Game",
  "version": "1.0",
  "description": "Paddle Ball game is an interesting game with simple gameplay by catching the falling ball and jumping to hit the targets to get a high score.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/ball-logo.png",
      "48": "images/ball-logo.png",
      "128": "images/ball-logo.png"
    }
  },
  "icons": {
    "16": "images/ball-logo.png",
    "48": "images/ball-logo.png",
    "128": "images/ball-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2da1c83e-6a69-4b6b-96e5-ee21501a248b}"
    }
  }
}