Examine source code of Animated Eye

{
  "theme": {
    "images": {
      "theme_frame": "Animated-Eye-Header.png"
    },
    "colors": {
      "frame": "#0a0a0a",
      "tab_background_text": "#28d4c3"
    }
  },
  "version": "2.0",
  "name": "Animated Eye",
  "manifest_version": 2,
  "description": "Animated version of Dream World Creation. Only happens once, when you open a new browser window.\nWatch jewels for 5 seconds. Open new window to see again."
}