Examine source code of Animated Halloween Globe

{
  "theme": {
    "images": {
      "theme_frame": "header510.png"
    },
    "colors": {
      "frame": "#c9c3c3",
      "tab_background_text": "#f5f0f0"
    }
  },
  "version": "2.0",
  "name": "Animated Halloween Globe",
  "manifest_version": 2,
  "description": "Halloween animated globe, black cats, gravestones, pumpkins and falling leaves."
}