Examine source code of Coco the Cat

{
  "theme": {
    "images": {
      "theme_frame": "Coco01.png"
    },
    "colors": {
      "frame": "#4f4c4c",
      "tab_background_text": "#080808"
    }
  },
  "version": "2.0",
  "name": "Coco the Cat",
  "manifest_version": 2,
  "description": "Photo of Coco, the best cat in the world"
}