Examine source code of Peppu1010

{
  "theme": {
    "images": {
      "theme_frame": "Peppuuuu.jpg"
    },
    "colors": {
      "frame": "#f0e7e7",
      "tab_background_text": "#b4b0bf"
    }
  },
  "version": "2.0",
  "name": "Peppu1010",
  "manifest_version": 2,
  "description": "My cat"
}