Examine source code of Perfect World . Black Lab

{
  "theme": {
    "images": {
      "theme_frame": "InaPerfectWorld-BlackLab.jpg"
    },
    "colors": {
      "frame": "#17277a",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Perfect World . Black Lab",
  "manifest_version": 2,
  "description": "Black lab with text that reads \"In a perfect world... Every dog would have a home and every home would have a dog\" - A favorite design"
}